The easternmost town in Alaska can only be accessed from Canada.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

One of the ghostly stops along Route 66.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

"I did this all while you were watching TV."

A unique geological area spiked with wind-carved rocks that resemble teepees.

A ghost town revived by hippies and wanderers throws its own special brand of holiday parade.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

A famous flea market artist's studio that's full of odds and ends.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Hundreds of secret cabinets built into the walls of legendary poisoner's private work room.

A self-built mosaic house and sculpture park.

The largest underground church in Europe.

Abandoned Nazi train station turned underground astroparticle laboratory.

A landscape decorated with enormous skull sculptures.