The Excelsior Geyser Crater, Yellowstone National Park, USA.

The Excelsior Geyser Crater, Yellowstone National Park, USA.
The Excelsior Geyser Crater, Yellowstone National Park, USA.
2021
Excelsior Geyser Crater Yellowstone National Park USA. hydrothermal hot springs caldera magma volcanic vulcanism geology geological American USA