An enormous, inside-out glass globe built in 1935.

Once home to a thriving oil industry, this town now sits eerily abandoned.

In 1863, a woman buried her hard-drinking husband beneath his beloved booze.

Stuck in a bygone era, the oldest subterranean shopping street in Japan hides beneath the popular Asakusa district of Tokyo.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

The ruins of a resort and casino sit on the banks of this blue hole spring that pumps 70,000 gallons of warm, clear water every minute.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

This North African stone complex is considered to be the oldest astronomical observatory on Earth.

Walk down these stairs to get an underwater view of Switzerland's Lake Zug.

A group of college students hauled a desk up a mountain more than 40 years ago. The notebooks inside have become a makeshift time capsule.

This abandoned horse racing track was an exercise in hubris from its inception.

Concrete crosses scattered across the Arizona scrubland which were used to align spy satellites.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.

Once a year, at exactly 11:11 a.m., this monument comes to life.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

A self-built castle made by a mysterious man.

A $100,000 tumbleweed decorates an Arizona park and ride that got its priorities a bit tangled.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

Vermont's hills are alive with the sound of music at this historic hotel.

The oldest arboretum on the Dalmatian coast doubles as the gardens of Kings Landing in "Game of Thrones."

The meeting of the northwestern corner of Delaware, the northeastern corner of Maryland, and the southern edge of Pennsylvania.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

The nearly 120-year-old piece of pork wears a brass collar and was once a man's "pet ham."

A Jenga-style cylindrical tower of books that appears to go on forever.