Caving Pennsylvania’s Laurel Caverns
In late July, an intense heat wilted over the hills of western Pennsylvania. David Cale wore a gray suit—a stifling choice had we been anywhere else. But inside Laurel Caverns, the temperature remained at a cool 52°F. We plodded down dark, narrow passages slick with moisture. I had a flashlight. He did not. He knew this underground system by memory, navigating each step and turn as if moving through the familiar rooms of a house.This cave is his home.Cale has explored, managed, and protected Lau...