One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

This eclectic, mosaic-clad home includes a bamboo ping-pong loft and a "Whispermaphones" intercom.

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

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

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

An eatery for UFO seekers on the Extraterrestrial Highway.

This sign designates the road that leads to the infamous Area 51.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

This eclectic Austin curiosity shop is home to all things strange and unusual.

A view-altering observatory at the University of Texas.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

This unusual building straddles two countries.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

The largest cemetery in the American Southeast is a hidden gem near the heart of Atlanta.

Walking by this fence is like strolling along a portal to various fictional worlds.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

This abandoned cemetery has a dark past of bodies buried over bodies.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

This underwater old Texas hill town only resurfaces during harsh drought.

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

Nature's biggest mammal swims in landlocked Oklahoma.