Southern Italy's spinning top village.

The sunlight passing through the opening of this huge cave system creates a magical effect.

A dead saint, a deadly poison, and a mysterious holy ooze.

Three underground crypts and a pointed arch under the bell tower make this cathedral unique among Romanesque churches.

What looks like a link in Gondor's early warning system is actually a centuries-old Italian fortress.

This Italian ski resort rose to fame when Benito Mussolini was held prisoner there and then rescued by the SS.

A series of caves, tunnels, and wells filled with fascinating figures and symbols.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

Only hotel where you can legally launder money.

This psychedelic tourist trap is a leisurely descent into madness.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

At this bayside marina, enormous wild tarpon jump out of the water to snatch fish from visitors’ hands.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

The highway's southernmost spot is a beloved local attraction.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

Geothermal waterfalls in Tuscany.

During World War II, a number of important sculptures and paintings were moved to this castle for safekeeping.