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Little-Known Trivia About The 10 Largest U.S. National Parks

This post was updated on March 13th, 2024

8. Yellowstone

Most Yellowstone fans are familiar with the park’s several popular attractions, including the Old Faithful Geyser.

What you might not know though, is that the largest geyser in the world calls Yellowstone home. And it’s not named Old Faithful.

The Steamboat Geyser in the Norris Geyser Basin doesn’t erupt nearly as frequently as Old Faithful. But when it does, the spray of water can shoot as high as 300 feet, making it the tallest active geyser on Earth.

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Norris Geyser Basin.

Daniel Mayer
Daniel Mayer

And the Steamboat Geyser during one of its major eruptions after a nearly two-year hiatus.

Hsing-Mei Wu
Hsing-Mei Wu