As a portion of Glacier National Park is evacuated because of a fast-moving wildfire, take a look at the biggest wildfires in U.S. history.
Take a look at the 10 biggest wildfires in U.S. history as measured by acreage burned.
U.S. Army Signal Corps
Warner Bros. Television
iStock / eyecrave
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Courtesy of NOAA/Institute for Exploration/University of Rhode Island
David Shankbone/Wikimedia Commons
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