Home to Yellowstone's Grand Prismatic Spring ... the Midway Geyser Basin features the Excelsior Geyser, a crater that dumps about 4,000 gallons of water a minute into the nearby Firehole River.

In Yellowstone National Park’s recorded history, only two other geysers have exceeded Steamboat in size: Excelsior Geyser in Midway Geyser Basin and Sapphire Pool in Biscuit Basin.

This once unremarkable lake underwent a series of bizarre changes, leading to a dramatic and unexpected event.

West Thumb Geyser Basin, along the southwest shore of West Thumb Basin in western Yellowstone Lake, is one of Yellowstone’s ...

Yellowstone is larger than Rhode Island and Delaware combined ... including Turquoise Pool, Opal Pool, and Excelsior Geyser Crater. You'll pass them all on the short walk from the parking lot to Grand ...

In the 1950s, one of Yellowstone’s famous geysers was transformed into a popular swimming pool, drawing tourists eager to soak in its warm waters. This video recounts the history of the geyser ...