There’s a secret bunker inside the Brooklyn Bridge, but the city won’t say where.

This abandoned bridge to nowhere stands secluded in the woods of a Cleveland suburb.

A miniature city built by a single hunchbacked monk.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

A gigantic 10-foot tall stone man.

The shared home of a utopian commune that practiced "free love" a century before the hippies.

Possibly the smallest church in the world floats in the middle of a pond.

Located on the banks of the St. Lawrence River, this mansion is home to a massive art collection.

A mummy and sarcophagus are part of the many wonders in this library's collection.

Bell tower juts out from a village buried under a lake.

This strange, big-tailed beast became a Pennsylvania town's unofficial mascot.

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

Eccentric concrete mansion and museum designed and built by hand from the inside out.

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

An extraordinary collection of vampire-themed antiques lurks on the second floor of a store.

Legend holds that the Ancient Greek goddess of love once bathed in the waters of this grotto.

Fantastic collection celebrating the final send-off.

Arlington Cemetery exhibit dedicated to death and grieving.

This seemingly unremarkable boulder is said to bear the hoofprint of the devil himself.

Brooklyn's Barkaloo Cemetery is the resting place of a scant two bodies.

Holding the most bodies of any cemetery in the United States.

The oldest living tree in Manhattan comes shrouded in sinister legend.

You must take the A train... to the last active cemetery in Manhattan.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."