National Park Service offers free admission to all parks August 25-28

(FOX 11) - The National Park Service is celebrating its 100th anniversary this weekend with free admission to all of its parks.

More than 400 National Parks will offer free entry August 25 through 28. The fee waiver includes entrance fees, commercial tour fees and transportation entrance fees.

Other fees such as reservation, camping, tours, concession and fees collected by third parties are not included, officials said.

The National Park Service will also offer free days in September and November. For more details, click here.

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