With all there is to see and do in Pennsylvania, it’s easy to forget the diverse underground experiences that await visitors. While some of the state's caverns are open in winter, these below-ground sites are especially nice for summer travel since they are naturally air-conditioned and remain a constant cool temperature.
At Coral Caverns’ underground wonderland, explore the only known coral reef cavern in existence and discover an abundance of fossils, stalactites, and stalagmites. Marvel at the remains of sea creatures in Coral Caverns' fossil wall that were buried more than 400 million years ago. Coral Caverns is located 6 miles west of Bedford on Route 31 in Manns Choice.
This very popular cave site is known for its profuse and varied formations. Crystal Cave Park has it all including shops, fast food, trails, 125 acres, and a museum. Take the 55-minute interpretative tour and descend 125 feet where the temperature is a cool 54 F. Visit in October around Halloween for the Ghost Lantern Tour. Crystal Cave is located off of Route 22 near Kutztown.
Indian Echo Caverns offers a 45-minute tour, plus activities for the whole family. Pan for gemstones at Gem Mill Junction, enjoy the gift shop or picnic on the grounds. There's also a playground and small petting zoo for the kids. Close to Hershey attractions, Indian Echo Caverns is located on Middletown Road in Hummelstown.
Come up to Hopwood for the view, then go down for spelunking at Laurel Caverns. Enjoy a seven-county view from the grounds and more than three miles of underground passages. The caves close at the end of October for bat hibernation season. Laurel Caverns is located off Route 40 between Uniontown and Farmington. This is the closest of the major Pennsylvania caverns to Pittsburgh.
Penn's Cave, an all-water cavern and wildlife park, has been open since 1885 and is listed on the National Register of Historic Places. Take the one-mile guided motorboat tour through the limestone cavern, then try a bison burger in the Cave Cafe. Penn’s Cave is located 18 miles east of State College and five miles east of Centre Hall on Route 192.
Discover two separate, incredible caverns: Lincoln Caverns and Whisper Rocks, both near Raystown Lake. Kids can suit up like real spelunkers and move through the simulated Kids Cave Crawl. Explore the winding passageways that contain thousands of stalactites and sparkling crystals. Lincoln Caverns is located three miles west of Huntingdon on Route 22.
Experience the wonder of abundant crystal formations, an underground river, and five unique chambers. One of the cavern rooms is a dedicated chapel, so visitors can even book Lost River for underground weddings. Take a 45-minute guided walking tour on 1200 feet of well-lighted, paved walkways. Lost River Caverns is located in Hellertown, south of Bethlehem off of I-78 at Exit 21.
Known as "The Big One," Woodward Cave features the 14-foot-high Tower of Babel, one of the largest stalagmites in the region. Enjoy the splendor of five large cave rooms on a guided tour, including the Ballroom, which is actually used for square dances and banquets. Woodward Cave is located in Centre County off of Route 45.