Mysterious rocks that ring musically when struck.

A field of nothing but boulders which resembles a giant's gravel driveway.

A toxic ghost town sitting atop a massive coal fire.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

A planned settlement in Pennsylvania once housed the aristocratic refugees of the French Revolution.

The world's largest military aircraft cemetery.

What is the Thing?

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

Stairs often replace streets on the steep slopes of this old mining town.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

New Jersey's last historic covered bridge was rebuilt from pieces of the original 19th-century structure.

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

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

Who knew the Devil's domain was a hot spot for tubing?

It was founded by Ralph Nader to educate the public about an often-maligned area of law.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.

This haunting tombstone comes complete with a heartbreaking story of love and loss.

This kitschy tavern is also home to rare early editions of "Treasure Island."

Washington's iconic carousel has a nice piece of Civil Rights history.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

Decades before the scandal, this staircase on the river was a literal "water gate."

A celebrity from the late Cretaceous period.