Theodore Roosevelt laid the cornerstone of the famous arch that stands at the park's North Entrance. Learn more about the history of the arch in this short video. Duration: 1 minute 41 seconds
Virtually wander around Mammoth Hot Springs, where the underlying limestone allow large terraces to form above ground.
Learn about Mammoth Hot Springs' historical district including the Roosevelt Arch.
Located at Mammoth Hot Springs near the North Entrance of Yellowstone National Park.
Last updated: May 9, 2018
PO Box 168
Yellowstone National Park, WY
OMB Control No. 1024-0224