This church devoted to Mexico's "dead saint" is a festive celebration of a formerly hidden religious figure.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

Thanks to the building of a life-giving reservoir, part of the Great Wall of China is now a dive site.

Where the Great Wall of China meets the sea.

Home to the deepest rift anywhere on Earth.

The atmospheric road was never meant to be so creepy.

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

"The Most Boring Road in the State."

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

This 15th century pub is one of only two pubs in England situated on consecrated ground.

Possibly the oldest living thing in Europe, more likely a pagan survivor.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

The oldest pub in Ireland may also be the oldest surviving bar in the entire world.

"Polynesia on the Plains."

One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

These black pillars of volcanic basalt seem to call mountain climbers with an unbreakable siren song.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

This highest peak in Idaho can only be reached by traversing a formation known as "Chicken-Out Ridge."

The easiest way to the highest point in Wyoming is only accessible via one hefty fee.

A miraculous natural phenomenon known as "the spring that breathes."

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

You'd never know the houses at 23-24 Leinster Gardens were fakes—until you see the train tracks on the other side.