Caves, Caverns, and Underground Attractions in Pennsylvania - Atlas Obscura Lists
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Caves, Caverns, and Underground Attractions in Pennsylvania

Get the lowdown on what’s underground.

15 Places

Pennsylvania is home to some of the country’s most beautiful landscapes, from rolling hills to towering waterfalls and staggering rock formations. But beyond the tree-lined trails and wild rivers, surprises await you below the surface. 

These subterranean spots across the state, from the recesses of caves to the shafts of abandoned coal mines, and even hidden chambers, reveal some of its most fascinating history and geological marvels. 

Whether you visit the bats that make their home beneath a working farm or take in the mysterious mural inside a Penn State tunnel, Pennsylvania has no shortage of stories, adventures, and natural phenomena to uncover underground.

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Kutztown, Pennsylvania

Crystal Cave

In which a local geological marvel becomes a quaint roadside attraction.
Melissa Marshall Added by Melissa Marshall
Archbald, Pennsylvania

Archbald Pothole

It would take 35 firetrucks to fill this enormous glacial pothole.
Chris Kudrich Added by Chris Kudrich

Sponsored by Visit Pennsylvania.