The National Park System has grown by three units, as the Ice Age, New England, and North Country national scenic trails have been officially designated parts of the system.

A treaty negotiated more than 150 years ago between the Standing Rock and Oglala Sioux tribes at Fort Laramie, Wyoming, needs to be reviewed and enforced, particularly the section that called for a "Great Sioux Reservation" for the two tribes for their "absolute and undisturbed use and occupation," say the tribes.

Parks Canada has found live zebra mussels — an aquatic invasive species — at Boat Cove on Clear Lake in Riding Mountain National Park.

It's going to cost a little more to enter Everglades National Park in 2024, when the entrance fee for private vehicles and vessels goes from $30 for seven days to $35.