Bacterial mat at Grand Prismatic photo
11 months
Hat in Grand Prismatic photo
11 months
Excelsior Geyser Crater on a spring afternoon photo
11 months
Turquoise Pool at Midway Geyser Basin photo
11 months
The Great Hot Springs, upper end of the lower basin. Yellowstone National Park. - NARA - 516963 photo
about 2 years
The Great Hot Springs, upper end of the lower basin. Yellowstone National Park. - NARA - 516963 photo
about 2 years
The Excelsior Geyser. Yellowstone National Park - NARA - 517146 photo
about 2 years
The Excelsior Geyser. Yellowstone National Park - NARA - 517146 photo
about 2 years
Excelsior or Midway Geyser basin. Yellowstone - NARA - 517147 photo
about 2 years
Excelsior Geyser, Yellowstone National Park - NARA - 517007 photo
about 2 years
Excelsior and Prismatic Springs from above. Yellowstone National Park. - NARA - 517632 photo
about 2 years
Excelsior or Midway Geyser basin. Yellowstone - NARA - 517147 photo
about 2 years
Excelsior Geyser, Yellowstone National Park - NARA - 517007 photo
about 2 years
Excelsior and Prismatic Springs from above. Yellowstone National Park. - NARA - 517632 photo
about 2 years
National Parks photo
over 2 years
Firehole River photo
almost 3 years
Busy boardwalks in the Midway Geyser Basin photo
almost 3 years
Enjoying Excelsior Geyser photo
almost 3 years
Impacted vegetation along the road to Midway Geyser Basin due to overflow parking photo
almost 3 years
Steam from Excelsior Geyser Crater on a spring morning photo
almost 3 years
Vegetation impacts along the Firehole river due to increased foot traffic photo
almost 3 years
People on the path from Midway Geyser Basin photo
almost 3 years
People waiting to use the restroom at Midway Geyser Basin parking area (2) photo
almost 3 years
Lost sunglasses in Midway Geyser Basin photo
almost 3 years
The line to wait for a parking spot at Midway Geyser Basin causes a backup in the turn lane photo
almost 3 years
People exploring the Midway Geyser Basin boardwalks photo
almost 3 years
Sign layout at Midway Geyser Basin photo
almost 3 years
The overlow parking for Midway Geyser extends nearly 1/4 mile down the road photo
almost 3 years
Lost mask in Midway Geyser Basin photo
almost 3 years
Lost mask in Midway Geyser Basin (4) photo
almost 3 years
People waiting to use the restroom at Midway Geyser Basin parking area photo
almost 3 years
Skiers on Imperial Geyser trail photo
almost 3 years
The overlow parking for Midway Geyser extends nearly 1/4 mile down the road (2) photo
almost 3 years
Midway Geyser Basin photo
almost 3 years
Lost mask in Midway Geyser Basin (3) photo
almost 3 years
Hat in Grand Prismatic overflow photo
almost 3 years
People viewing Grand Prismatic Spring from the boardwalks and overlook photo
almost 3 years
People exploring the Midway Geyser Basin boardwalks near Grand Prismatic photo
almost 3 years
Lost mask in Midway Geyser Basin (5) photo
almost 3 years
Crowding on the Midway Geyser Basin boardwalk near Grand Prismatic Spring photo
almost 3 years