Old Faithful

Old Faithful
(click on image for a larger view)

Midway Geyser Basin

Midway Geyser Basin
(click on image for a larger view)

Grand Prismatic Spring

Grand Prismatic Spring
(click on image for a larger view)

Turquoise Pool

Turquoise Pool
(click on image for a larger view)

Canary Spring

Canary Spring
(click on image for a larger view)

Grand Canyon of the Yellowstone, Yellowstone National Park, Wyoming

Grand Canyon of the Yellowstone, Yellowstone National Park, Wyoming
(click on image for a larger view)

Mammoth Hot Springs, Upper Terraces Area, Yellowstone National Park, Wyoming

Mammoth Hot Springs, Upper Terraces Area, Yellowstone National Park, Wyoming
(click on image for a larger view)

White Dome Geyser, Yellowstone National Park, Wyoming

White Dome Geyser, Yellowstone National Park, Wyoming
(click on image for a larger view)