Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

A toxic ghost town sitting atop a massive coal fire.

A layered tribute to the work of mosaicist Isaiah Zagar.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

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

A snapshot of the city's fascinating voodoo culture.

Tucked in the back of this amazing antique store is an important piece of medical history.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Huge stone depressions which may have acted as an Incan agricultural experiment.

An unexpected desert oasis in South America.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Towering high above the neighborhood of La Candelaria, the church is easily recognizable by its distinctive red-and-white striped facade.

Pilgrims each carried a brick to the top of Mount Monserrate to help build this historic sanctuary in Colombia.

This failed condo development was reborn as a street art hub.

A view-altering observatory at the University of Texas.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

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

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.