Take a drunken tour inside the world's largest known geode.

A soon-to-be-forgotten roadside spectacle loaded with local lore.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

The largest collection of Frazetta originals in the world.

This park contains a number of standing stones meant to heal and inspire.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

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

Home of the only civilian casualty at the Battle of Gettysburg.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

An abandoned dollhouse factory.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

Why have you never heard of the second most popular tourist site in New York?

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

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

Of all the unique artifacts inside this library, a mummified hand stands out among the others.

A mysterious echo seems to defy the laws of acoustics.

All that remains of the once-booming chain is a single orange-roofed restaurant.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

A fire once nearly devoured this gorgeous 14th-century Gothic cathedral.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

Something's watching you.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."