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.
Marek Szczepanek/Wikimedia Commons
Larry Busacca/Getty Images
Warner Bros. Television
HRH The Duchess of Cambridge via Getty Images
iStock / MartiSaiz
Andrew H. Walker/Getty Images
Adele.com via CNN
Sign up for Breaking News, Daily Headlines, Severe Weather Alerts & more!