The incident drew national attention and helped lead to the creation of Mammoth Cave National Park. Collins' legacy lives on through the park, a popular song and an upcoming Broadway musical.
“Obviously, the geology is amazing. It's what (first) brought people here and what brings people back to study this region,” said Mammoth Cave National Park spokesperson Molly Schroer.
Meanwhile, the National Park Service describes the sight as "a cave turned inside out." To view the formations, visitors can walk along the Mammoth Hot Springs' maze of platforms that pass several ...