Yellowstone: Top Photos

Geysers, bison herds, and wild landscapes that teach kids the power of nature

Excelsior Geyser
Excelsior Geyser venting from its broad crater in the Midway Geyser Basin. Once one of the largest geysers in the world, Excelsior no longer erupts as a geyser but discharges thousands of gallons of hot water into the Firehole River every minute. © Brian Gratwicke, CC BY 2.0, via Wikimedia Commons

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