Firehole Spring, Firehole Lake Drive, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

Great Fountain Geyser at sunset; Firehole Lake Drive, Yellowstone National Park, Wyoming, USA.

Fountain Paint Pots, mud pots, Firehole Lake Drive, Lower Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

Steaming geysers and hot springs, Fairy Creek, Firehole Lake Drive, Lower Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA

Geyserite cone of the White Dome Geyser, Firehole Lake Drive, Lower Geyser Basin, Yellowstone National Park, Wyoming, United States of America, USA