#54551: Hot Water Pools
Yellowstone is famous for its hot water pools characterized by deep blues.
Public Domain. Photo by Katie Armstrong of NSBO
Download Original (2048 x 1536 pixels, 352.8 KB)
Official websites use .gov
A .gov website belongs to an official government
organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to
the .gov website. Share sensitive information only on official,
secure websites.
