One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

Mexico's first public cable car soars over the congested streets outside Mexico City.

The world's largest collection of ticks.

100-year-old shipwreck you can walk up to at low tide.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

Japan's first automaton went missing, only to be revived by the Osaka Science Museum.

These magnificent 240-year-old machines are considered distant ancestors of the computer.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

Climb to the top of the world's largest seated bronze Buddha.

This elaborate temple was built around one of the Buddha's teeth.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

Some of the smallest works of art in existence.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

An old department store turned Nazi prison turned artist commune.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

The world's first cruise ship-shaped hotel is perched atop a cliff.

From pre-war whiskey cocktails to prohibition-era speakeasy secrecy, this bar has seen it all.

An emerald-green grotto just a short trip from Austin.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.