The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

An abandoned castle owned and ignored by Masons carries a cursed history.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

This weird abode has inspired everything from the "House On Haunted Hil" to a robot hunter's pad.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A dilapidated dock tells the story of Titanic's missed arrival.

This abandoned amusement park was built on a site with a dark history.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

Home of an evil witch famous within southern folklore.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Home to items never before seen by the public.

Odd outsider art installations surround a Gold Rush-era ghost town.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

This strange seaside tower got its name from a wealthy eccentric who would hide coins among its stones.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

Mysterious rocks that ring musically when struck.