Congress Pool — Yellowstone National Park

Named for a visit in 1891 by members of the Fifth International Geological Congress, the feature in Norris Geyser Basin has behaved as a quiet pool, geyser, and roiling mud pot.

This video and audio are from the Sounds of Yellowstone (ASMR, Sleep, Concentration) series. Subscribe to the series on our YouTube channel, or Apple Podcasts.