To mark National Trails Day on Saturday, ten trails with a combined 160 miles of path have been added to the National Trails System. The newly designated trails join a network of more than 1,300 existing national recreation trails, which can be found in every U.S. state.

If you’re headed out into the wild this summer, you may need to jump online and book a reservation before you go. For the second consecutive year, reservations are required to visit Yosemite, Rocky Mountain and Glacier national parks. Other popular sites, including Maine’s Acadia National Park, encourage visitors to buy entrance passes in advance.

A deadly coral disease thought to be absent from the reefs of Dry Tortugas National Park off the southern tip of Florida has turned up in the park's waters, leading National Park Service divers to apply an antibiotic paste to affected corals with hopes of saving them.

In a move that could sweep across the National Park System, tour buses that enter Colonial National Historical Park in Virginia a year from now will be charged a per-person fee.