The stretch of boardwalk that leads you to the lighthouse and keeper's quarters at Cape Lookout National Seashore is currently being replaced, a process that is limiting access to the area, especially for those with mobility issues, a release from the seashore says.

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.