Biscuit Basin. But that wasn’t the only geological activity of note that occurred in the Yellowstone region during the year.

US National Park Service ... boiling hot acid pools beneath, according to the park's website. In August, a Michigan man sustained thermal burns after leaving the official trail in Yellowstone ...

Find the best things to do in Yellowstone National Park so you can easily plan your vacation. From geysers to waterfalls, don ...

Yellowstone National Park's ... the West Thumb Geyser Basin include Abyss Pool (a hot spring named for its depth) and Fishing Cone (where park staff used to demonstrate to tourists how a fish ...