The atmospheric road was never meant to be so creepy.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

At least seven hues of blue and turquoise make this freshwater lagoon unique.

Beach instrument turned bed and breakfast.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

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

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

A hacienda that features all things uniquely Yucatán.

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

His music once banned in Communist Cuba, John Lennon is now immortalized in bronze by Castro, who considers Lennon a "fellow dreamer."

This Gothic-style church is reputedly built atop the remains of one of Jesus's apostles.

This snug medieval lane is one of the narrowest streets in the world.

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

Go inside to really appreciate this 500-year-old technological masterpiece.

Two stone columns flank the grand Venice square, but there were supposed to be three.

The yawning maw of this pagan visage is said to bite off the hands of liars.

17th century mosque for Shah Abbas' harem.

A historic trade hub teeming with gorgeous architecture, colorful goods, and vibrant designs.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

Now abandoned, the world's first torpedo factory is crumbling into the sea.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

The 10,000 Torii shrine.