Twin Geyser

Thumb Geyser

Yellowstone Lake: America's largest mountain lake

Mud Volcano

Black Dragon's Caldron

Grizzly bear in the Hayden Valley

Tom Thumb's Trail:

328 steps take us down into the Grand Canyon of the Yellowstone for views of the 308-feet high Lower Falls

Yellowstone River

Resting before commencing the ascent back up Uncle Tom's Trail