An otherworldly restaurant perched on the edge of a jagged cliff next to a medieval holy city.

This ruined fortress was the stronghold for a persecuted medieval leader and his infamous Assassins.

This glacier interpretation center houses the world’s only bar made completely from glacial ice.

With the Wild Bunch hunted almost to extinction and the law closing in on him, Butch Cassidy fled to this remote cabin in Argentina.

A mysterious phallic rock on the grounds of a Buddhist monastery.

An exceptional assortment of fossils recovered from private collections.

Enormous statue of the Emperor of the Mongols.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

The largest cactus farm in Africa.

A fortified city, home to a remaining population of five families

At 72 feet below sea level, it's the lowest commercial airport in the world.

This Soviet statue is based on a piece of propaganda that's been elevated to national myth.

This Soviet-era athletic and recreation facility is the highest ice skating rink in the world.

This unique wooden mosque resembling a Chinese pagoda was said to be built without the use of nails.

A brilliant turquoise lake in the mountains.

Submerged trees jut ghost-like out of an idyllic turquoise mountain lake.

World's oldest and largest space launch facility, once a secret missile testing site.

This retro, UFO-like structure is a remnant of the Soviet-era circus.

Extremely isolated Silk Road caravanserai in the middle of nowhere.

This restored colonial house was once home to the botanist responsible for bringing avocados to the U.S.

Mesoamerican monoliths and zoomorphic stones covered in royal visages, ancient mythology, and grand celestial events.

One of the world’s most colorful cemeteries, where each pigment is symbolic.