Get a FREE entrance to the National Parks today, January 21, 2013.

Mark your calendar for these entrance fee-free dates in 2013:
January 21
Martin Luther King, Jr. Day

April 22-26
five days during National Park Week

August 25
National Park Service Birthday

September 28
National Public Lands Day

November 9-11
Veterans Day weekend

U.S. National Park ServiceFree Entrance Days in the National Parks