Yellowstone National Park, Spray Geyser
Spray Geyser Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Porcelain Basin and visitors on boardwalk
Porcelain Basin and visitors on boardwalk; Janine Waller; July, 2013; Catalog #19150d; Original #DSC01083
Yellowstone National Park, Imperial Geyser
Imperial Geyser Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Dragon's Mouth Spring, Mud Volcano area
Dragon's Mouth Spring; NPS/Janine Waller; 20130731_jw_1260 Public domain image of a volcano, geyser, lava, smoke, eruption, free to use, no copyright restrictions - Picryl description
Mud Caldron, Mud Volcano area - Public Domain image, National Parks Ga...
Mud Caldron; NPS/Janine Waller; 20130731_jw_1287 Picryl description: Public domain photograph of National Park, nature, free to use, no copyright restrictions image.
Sour Lake, Mud Volcano area - Public Domain image, National Parks Gall...
Sour Lake; NPS/Janine Waller; 20130713_jw_1267 Public domain photograph of a river bank, lake, pond, reflection, water, free to use, no copyright restrictions image - Picryl description
Mud Geyser, Mud Volcano area - Public Domain image, National Parks Gal...
Mud Geyser; NPS/Janine Waller; 20130713_jw_1284 Picryl description: Public domain photograph of National Park, nature, free to use, no copyright restrictions image.
Visitors at Churning Caldron - Public Domain image, National Parks Gal...
Visitors at Churning Caldron; NPS/Janine Waller; 20130731_jw_1273 Public domain image of a volcano, geyser, lava, smoke, eruption, free to use, no copyright restrictions - Picryl description
Old Faithful Geyser from Observation Point
Old Faithful Geyser from Observation Point
Midway Geyser Basin from Twin Buttes
Midway Geyser Basin from Twin Buttes Picryl description: Public domain photograph of National Park, nature, free to use, no copyright restrictions image.
Black Dragon's Caldron, Mud Volcano area
Black Dragon's Caldron; NPS/Janine Waller; 20130731_jw_1271
Visitors at Churning Caldron, Mud Volcano area
Visitors at Churning Caldron; NPS/Janine Waller; 20130731_jw_1273 Picryl description: Public domain photograph of National Park, nature, free to use, no copyright restrictions image.
Yellowstone National Park, Imperial Geyser
Imperial Geyser Public domain photograph by National Parks Administration, nature conservation, tourism, free to use, no copyright restrictions image - Picryl description
Old Faithful Geyser from Observation Point
Old Faithful Geyser from Observation Point