Yellowstone Super-Volcano Could Be an Energy Source. But Should It Be?

The national park could power the entire continental U.S. with clean energy. Here’s why it remains untapped.
1:53

World’s Most Powerful Geyser Erupts Three Times After Years of Quiet

Discover why the world's tallest active geyser is becoming more active and how it can shoot water up to 300 feet in the air.

America's natural wonders: Yellowstone Geyser Basins

We zoom in on another of America's great natural wonders from our June cover story

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