Great Smoky Mountains National Park officials say the Greenbrier area will remain temporarily closed beyond the Greenbrier Ranger Station to all motorists and pedestrians through May 15.

Oil exploration should not be allowed in Big Cypress National Preserve because of the risks it poses to the environment, wildlife, and potential wilderness, five congressional Democrats from Florida say in a letter asking Interior Department and National Park Service officials to halt energy exploration and development there.

A national historic site on Prince Edward Island that celebrates author L.M. Montomery and her Anne of Green Gables book series has opened has opened for the season with a variety of plans for how to cope with COVID-19 challenges and crowds.

Dozens of intriguing wooden posts jut out of the aquamarine water by the historic CN Rail swing bridge in Atherley Narrows and in the distance alongside Shotgun Island. But they’re actually bridge footings and not the ancient Indigenous fish weirs that make this Ontario spot a national historic site. Those are buried in protective layers of silt here in the shallow waters where Lake Couchiching and Lake Simcoe meet. Standing on an old steel trestle structure from the railway era that overlooks the channel, I wish I could have visited either 5,000 years ago or a few years from now if an ambitious rethink of the area succeeds.