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.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

Mysterious rocks that ring musically when struck.

Where America's first doomsday cult awaited the end of the world.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

This 40-foot fowl marks the so-called "wild goose capital of the world."

The oldest bar in Missouri is hidden within a limestone brewery cellar more than 50 feet underground.

The crumbling remains of the first Black-owned and operated hospital in Kansas City.