Mount Wrangell, a massive shield volcano, is the only volcano that remains at least somewhat active, rising 14,163 feet in an...

Mount Zanetti and Mount Wrangell

Wrangell-St. Elias National Park

Mount Wrangell, a massive shield volcano, is the only volcano that remains at least somewhat active, rising 14,163 feet in an immense white mound. Photo © copyright by Ed Fuhr.