Central Park is now home to a field hospital for COVID-19 patients. Kentucky state park buildings are outfitted as safe housing for first responders. Georgia and Louisiana put emergency trailers in their state parks to serve as isolation units.

The U.S. has 600 million acres of public lands, managed by federal and state governments but owned by the people, but since the pandemic hit, most are no longer open to the public for exploration, education, and recreation like they have been for decades. They’ve been closed to their usual visitors in an effort to stop the spread of the coronavirus, and many have been transformed into spaces where infected people and caregivers can be isolated and quarantined safely.