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Mark your calendar! The National Park Service is offering free admission to sites that normally charge an entrance fee during 10 days throughout 2017.

Many national parks are free every day, but 120 of them regularly charge fees between $3 and $30.

RELATED: This tropical paradise is offering $300 to people who choose to visit in 2017

The fee waiver includes entrance fees, commercial tour fees and transportation entrance fees. Here are the fee-free days that you’ll want to plan your visit around:

  • January 16: Martin Luther King Jr. Day

  • February 20: Presidents’ Day
  • April 15-16 and 22-23: Weekends of National Park Week
  • August 25: National Park Service Birthday
  • September 30: National Public Lands Day
  • November 11-12: Veterans Day Weekend

Here’s a state-by-state list of the sites participating in the free entrance days:

Alaska

Arizona

Arkansas

California

Colorado

Florida

Georgia

Hawaii

Idaho

Indiana

Maine

Maryland

Massachusetts

Michigan

Minnesota

Mississippi

Missouri

Montana

Nebraska

Nevada

New Hampshire

New Jersey

New Mexico

New York

North Carolina

North Dakota

Ohio

Oklahoma

Oregon

Pennsylvania

Puerto Rico

South Carolina

South Dakota

Tennessee

Texas

Utah

Virgin Islands

Virginia

Washington

West Virginia

Wyoming

In addition to the fee-free days, any fourth grade student can get a free annual pass as part of the Every Kid in a Park program. Free passes are also available to active duty military and disabled citizens.

Mike Timmermann, Clark.com |