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Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of a residential building, house, 19th-20th century architecture, free to use, no copyright restrictions.

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Wupatki, Wukoki Ruin, U.S. Highway 89, Loop Road, Flagstaff, Coconino County, AZ

Wupatki, Wukoki Ruin, U.S. Highway 89, Loop Road, Flagstaff, Coconino ...

Survey number: HABS AZ-152-B Building/structure dates: ca. 1150 Initial Construction

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Flagstaff, Arizona. Heading west into the mountains along the Atchison, Topeka, and Santa Fe Railroad between Winslow and Seligman, Arizona

Flagstaff, Arizona. Heading west into the mountains along the Atchison...

Picryl description: Public domain photograph of a car, 1930s, free to use, no copyright restrictions.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of a residential building, house, 19th-20th century architecture, free to use, no copyright restrictions.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Public domain scan of architectural drawing, architecture, free to use, no copyright restrictions image - Picryl description

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Public domain scan of an architecture diagram, architectural drawing, building plan, or design, free to use, no copyright restrictions - Picryl description.

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Flagstaff, Arizona. A street scene on the Atchison, Topeka, and Santa Fe Railroad between Winslow and Seligman, Arizona

Flagstaff, Arizona. A street scene on the Atchison, Topeka, and Santa ...

Picryl description: Public domain image of a train station, railroad tracks, railway depot, 19th-20th century, free to use, no copyright restrictions.

Flagstaff, Arizona. Entering the town along the Atchison, Topeka, and Santa Fe Railroad between Winslow and Seligman, Arizona

Flagstaff, Arizona. Entering the town along the Atchison, Topeka, and ...

Picryl description: Public domain photograph of a car, 1930s, free to use, no copyright restrictions.

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Flagstaff, Arizona. Leaving the town on the Atchison, Topeka, and Santa Fe Railroad between Winslow and Seligman, Arizona

Flagstaff, Arizona. Leaving the town on the Atchison, Topeka, and Sant...

Public domain photograph - historical image of Arizona, United States, free to use, no copyright restrictions image - Picryl description

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Public domain photograph - historical image of Arizona, United States, free to use, no copyright restrictions image - Picryl description

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of a residential building, house, 19th-20th century architecture, free to use, no copyright restrictions.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of a residential building, house, 19th-20th century architecture, free to use, no copyright restrictions.

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

U.S. Geological Survey Building Number 2, 2255 North Gemini Drive, Flagstaff, Coconino County, AZ

U.S. Geological Survey Building Number 2, 2255 North Gemini Drive, Fla...

Survey number: HABS AZ-224 Public domain photograph of architecture design, diagram, drawing, building plan, free to use, no copyright restrictions image - Picryl description

Flagstaff, Arizona. Passing a lumber mill along the Atchison, Topeka, and Santa Fe Railroad between Winslow and Seligman, Arizona

Flagstaff, Arizona. Passing a lumber mill along the Atchison, Topeka, ...

Picryl description: Public domain image of a power station, dam, electric generator, industrial building, free to use, no copyright restrictions.

A midshipman candidate dangles on rope stirrups 50 feet above the ground as other Naval Reserve Officers Training Corps midshipman candidates watch from below at the Northern Arizona University's Challenge Course.

A midshipman candidate dangles on rope stirrups 50 feet above the grou...

FLAGSTAFF, Ariz. (Aug. 15, 2016) A midshipman candidate dangles on rope stirrups 50 feet above the ground as other Naval Reserve Officers Training Corps midshipman candidates watch from below at the Northern Ar... More

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of an architectural element, dome, cathedral, classical architecture, free to use, no copyright restrictions.

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of a residential building, house, 19th-20th century architecture, free to use, no copyright restrictions.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of a basement, underground, lobby, free to use, no copyright restrictions.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Public domain scan of architectural drawing, architecture, free to use, no copyright restrictions image - Picryl description

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, 1400 West Mars Hill Road, Flagstaff, Coconino County, AZ

Lowell Observatory, 1400 West Mars Hill Road, Flagstaff, Coconino Coun...

Significance: Founded in 1894, by Bostonian Percival Lowell in Flagstaff, it is an important landmark in the history of astronomy. The observatory's unique historic structures stand as examples of changing tech... More

Log train in woods near Flagstaff, Ariz.

Log train in woods near Flagstaff, Ariz.

Photograph shows men posed with railroad train loaded with bundles of logs. B. Hock, News Depot, Flagstaff, Ariz.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Public domain photograph of a house, cottage, free to use, no copyright restrictions image - Picryl description

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of park architecture, palace, chateau, open space, 18th, and 19th-century architecture, free to use, no copyright restrictions.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of a historic place interior, salon, hall lobby, living room, 18th-19th century architecture, free to use, no copyright restrictions.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Public domain scan of architectural drawing, architecture, free to use, no copyright restrictions image - Picryl description

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Flagstaff, Arizona. A street scene on the Atchison, Topeka, and Santa Fe Railroad between Winslow and Seligman, Arizona

Flagstaff, Arizona. A street scene on the Atchison, Topeka, and Santa ...

Public domain image of a train station in Boston, Massachusetts, free to use, no copyright restrictions - Picryl description

Flagstaff, Arizona. Leaving the town on the Atchison, Topeka, and Santa Fe Railroad between Winslow and Seligman, Arizona

Flagstaff, Arizona. Leaving the town on the Atchison, Topeka, and Sant...

Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.

Wupatki, Ball Court, U.S. Highway 89, Loop Road, Flagstaff, Coconino County, AZ

Wupatki, Ball Court, U.S. Highway 89, Loop Road, Flagstaff, Coconino C...

Survey number: HABS AZ-152-D Building/structure dates: ca. 1150 Initial Construction

Wupatki, Ball Court, U.S. Highway 89, Loop Road, Flagstaff, Coconino County, AZ

Wupatki, Ball Court, U.S. Highway 89, Loop Road, Flagstaff, Coconino C...

Survey number: HABS AZ-152-D Building/structure dates: ca. 1150 Initial Construction

Lowell Observatory, Mausoleum, Flagstaff, Coconino County, AZ

Lowell Observatory, Mausoleum, Flagstaff, Coconino County, AZ

Survey number: HABS AZ-206-D National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of a small palace, chateau, villa, residential historic building, free to use, no copyright restrictions image.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Public domain photograph - historical image of Arizona, United States, free to use, no copyright restrictions image - Picryl description

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Flagstaff, Arizona. A street scene on the Atchison, Topeka, and Santa Fe Railroad between Winslow and Seligman, Arizona

Flagstaff, Arizona. A street scene on the Atchison, Topeka, and Santa ...

Public domain image of a train station in Boston, Massachusetts, free to use, no copyright restrictions - Picryl description

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of a small palace, chateau, villa, residential historic building, free to use, no copyright restrictions image.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Public domain scan of an architecture diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.

Wupatki, Wupatki Ruin, U.S. Highway 89, Loop Road, Flagstaff, Coconino County, AZ

Wupatki, Wupatki Ruin, U.S. Highway 89, Loop Road, Flagstaff, Coconino...

Survey number: HABS AZ-152-A Building/structure dates: ca. 1150 Initial Construction

Wupatki, Wupatki Ruin, U.S. Highway 89, Loop Road, Flagstaff, Coconino County, AZ

Wupatki, Wupatki Ruin, U.S. Highway 89, Loop Road, Flagstaff, Coconino...

Survey number: HABS AZ-152-A Building/structure dates: ca. 1150 Initial Construction

Wupatki, Wupatki Ruin, U.S. Highway 89, Loop Road, Flagstaff, Coconino County, AZ

Wupatki, Wupatki Ruin, U.S. Highway 89, Loop Road, Flagstaff, Coconino...

Survey number: HABS AZ-152-A Building/structure dates: ca. 1150 Initial Construction

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Flagstaff (vicinity), Arizona. Diesel freight train rounding a curve on the Atchison, Topeka, and Santa Fe Railroad between Winslow and Seligman, Arizona

Flagstaff (vicinity), Arizona. Diesel freight train rounding a curve o...

Picryl description: Public domain image of railroad tracks, railway, train car, free to use, no copyright restrictions.

Flagstaff, Arizona. A street scene on the Atchison, Topeka, and Santa Fe Railroad between Winslow and Seligman, Arizona

Flagstaff, Arizona. A street scene on the Atchison, Topeka, and Santa ...

Public domain photograph of cars, gas station, car garage, 20th-century architecture, free to use, no copyright restrictions image - Picryl description

Lowell Observatory, Water Tank, Flagstaff, Coconino County, AZ

Lowell Observatory, Water Tank, Flagstaff, Coconino County, AZ

Public domain photograph of a tank, military armed vehicle, construction vehicle, free to use, no copyright restrictions image - Picryl description

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of an architectural element, dome, cathedral, classical architecture, free to use, no copyright restrictions.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of an architectural element, dome, cathedral, classical architecture, free to use, no copyright restrictions.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of a residential building, house, 19th-20th century architecture, free to use, no copyright restrictions.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Public domain scan of an architecture diagram, architectural drawing, building plan, or design, free to use, no copyright restrictions - Picryl description.

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, 1400 West Mars Hill Road, Flagstaff, Coconino County, AZ

Lowell Observatory, 1400 West Mars Hill Road, Flagstaff, Coconino Coun...

Significance: Founded in 1894, by Bostonian Percival Lowell in Flagstaff, it is an important landmark in the history of astronomy. The observatory's unique historic structures stand as examples of changing tech... More

Lowell Observatory, 1400 West Mars Hill Road, Flagstaff, Coconino County, AZ

Lowell Observatory, 1400 West Mars Hill Road, Flagstaff, Coconino Coun...

Significance: Founded in 1894, by Bostonian Percival Lowell in Flagstaff, it is an important landmark in the history of astronomy. The observatory's unique historic structures stand as examples of changing tech... More

Flagstaff (vicinity), Arizona. Cattle on a farm along the Atchison, Topeka and Santa Fe Railroad between Winslow and Seligman, Arizona

Flagstaff (vicinity), Arizona. Cattle on a farm along the Atchison, To...

Public domain image of a rural landscape, agriculture, farm animals, livestock, pasture, free to use, no copyright restrictions - Picryl description

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of a residential building, house, 19th-20th century architecture, free to use, no copyright restrictions.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of a residential building, house, 19th-20th century architecture, free to use, no copyright restrictions.

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Hauling logs on the big wheels, Flagstaff, Ariz.

Hauling logs on the big wheels, Flagstaff, Ariz.

Photograph shows a man sitting on a board between two big wheels holding the reins of a team of horses pulling three large logs. B. Hock, News Depot, Flagstaff, Ariz.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Public domain photograph of window, architectural element, free to use, no copyright restrictions image - Picryl description

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Public domain photograph - historical image of Arizona, United States, free to use, no copyright restrictions image - Picryl description

Lowell Observatory, 1400 West Mars Hill Road, Flagstaff, Coconino County, AZ

Lowell Observatory, 1400 West Mars Hill Road, Flagstaff, Coconino Coun...

Significance: Founded in 1894, by Bostonian Percival Lowell in Flagstaff, it is an important landmark in the history of astronomy. The observatory's unique historic structures stand as examples of changing tech... More

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Public domain photograph - historical image of Arizona, United States, free to use, no copyright restrictions image - Picryl description

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Public domain scan of an architecture diagram, plan, or drawing, free to use, no copyright restrictions - Picryl description.

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of a small palace, chateau, villa, residential historic building, free to use, no copyright restrictions image.

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Slipher Building, 1400 West Mars Road, Flagstaff, ...

Picryl description: Public domain image of a residential building, house, 19th-20th century architecture, free to use, no copyright restrictions.

Wupatki, Ball Court, U.S. Highway 89, Loop Road, Flagstaff, Coconino County, AZ

Wupatki, Ball Court, U.S. Highway 89, Loop Road, Flagstaff, Coconino C...

Survey number: HABS AZ-152-D Building/structure dates: ca. 1150 Initial Construction

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Pluto Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-C National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Flagstaff (vicinity), Arizona. Houses along the Atchison, Topeka, and Santa Fe Railroad between Winslow and Seligman, Arizona. As you approach, the country gets more and more wooded

Flagstaff (vicinity), Arizona. Houses along the Atchison, Topeka, and ...

Public domain photograph - historical image of Arizona, United States, free to use, no copyright restrictions image - Picryl description

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Wupatki, Citadel Ruin, U.S. Highway 89, Loop Road, Flagstaff, Coconino County, AZ

Wupatki, Citadel Ruin, U.S. Highway 89, Loop Road, Flagstaff, Coconino...

Survey number: HABS AZ-152-C Building/structure dates: ca. 1150 Initial Construction

Shadows of a University of Arizona midshipman candidate from the Naval Reserve Officers Training Corps unit casts a floating shadow 50 feet below as he uses ropes to traverse two high platforms at the Northern Arizona University's Challenge Course.

Shadows of a University of Arizona midshipman candidate from the Naval...

FLAGSTAFF, Ariz. (Aug. 15, 2016) Shadows of a University of Arizona midshipman candidate from the Naval Reserve Officers Training Corps unit casts a floating shadow 50 feet below as he uses ropes to traverse tw... More

Flagstaff, Arizona. Entering the town along the Atchison, Topeka, and Santa Fe Railroad between Winslow and Seligman, Arizona

Flagstaff, Arizona. Entering the town along the Atchison, Topeka, and ...

Picryl description: Public domain photograph of a car, 1930s, free to use, no copyright restrictions.

Midshipmen candidates receive instructions from Challenge Course staff members on how to properly wear their helmets and climbing harnesses before attempting the 50-foot-high obstacles at Northern Arizona University in Flagstaff, Arizona.

Midshipmen candidates receive instructions from Challenge Course staff...

FLAGSTAFF, Ariz. (Aug. 15, 2016) Midshipmen candidates receive instructions from Challenge Course staff members on how to properly wear their helmets and climbing harnesses before attempting the 50-foot-high ob... More

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconino County, AZ

Lowell Observatory, Clark Dome, 1400 West Mars Road, Flagstaff, Coconi...

Survey number: HABS AZ-206-B National Register of Historic Places NRIS Number: 66000172

Lowell Observatory, Mausoleum, Flagstaff, Coconino County, AZ

Lowell Observatory, Mausoleum, Flagstaff, Coconino County, AZ

Survey number: HABS AZ-206-D National Register of Historic Places NRIS Number: 66000172