• A bull elk bugles in Yellowstone National Park

    Yellowstone

    National Park ID,MT,WY

Green Dragon Spring

Steam rises from this hot spring which emerges from a small cave.
 

Except on warm summer afternoons, steam frequently fills the cavern of this intriguing hot spring. Visitors must wait patiently for a glimpse of the sulfur-lined cave and boiling green water.


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Did You Know?

Summer Crowd at Old Faithful.

At peak summer levels, 3,500 employees work for Yellowstone National Park concessioners and about 800 work for the National Park Service.