Have you been wanting to get out and see the beauty at a national park, but didn’t have the scratch to pay the entry fees? Then you’re in luck this weekend, because they’ve all opened up their doors and gates to all visitors — for free.

While there are 245 national parks that don’t charge any fees, the almost 150 that do require some cash won’t be doing so today or tomorrow.

If this is too short notice for you to pack up the family and head to Yellowstone, you’ll have some more chances coming up. The National Park Service will also be having free days on the following:

Aug. 14-15
Sept. 25
Nov. 11

To check out all of the parks near you, go to NPS.gov.

Visit national parks for free this weekend [USA Today]

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