In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

A hidden piece of Altoona's railroad history in a long-forgotten abandoned town.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

Steepest flood safety railway in the entire world.

Pennsylvania's highest point is spotted with boulders which were pushed to the surface by nothing but cold.

A glittering Thai Buddhist temple in suburban Pennsylvania.

It would take 35 firetrucks to fill this enormous glacial pothole.

The ruined remains of a coal mining ghost town are hidden within the woods.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

The graffitied ruins stand hidden within the Pennsylvania woods.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

There aren't too many operational funiculars around, but Pittsburgh has two!

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

This church in Pittsburgh is home to the largest collection of religious relics in North America.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

Huge masonic hall in Philadelphia with lavishly themed rooms.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.

An abandoned stretch of highway, deteriorating next to the operational one.