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Grand Prismatic Spring, Yellowstone National Park, Wyoming

'Our Power, Our Planet'

2025-04-23 902
Grand Prismatic Spring at sunrise, Yellowstone National Park, Wyoming

Preserve, protect, enjoy!

2024-04-21 919
Aerial view of Grand Prismatic Spring, Yellowstone National Park, Wyoming

'America's best idea' began here

2022-04-17 879
The Grand Prismatic Spring in Yellowstone National Park, Wyoming

Where do those colors come from?

2020-04-22 594