Some believe this abandoned Brutalist masterpiece inspired George Lucas's Sandcrawler.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

An Ethiopian "Jerusalem" featuring a church hewn out of a single rock.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

Just outside of Nairobi lies a large estate surrounded by endangered Rothschild giraffes, who have been fed from the window by Mick Jagger and Walter Cronkite.

Whitewashed mosque contains the world's largest carpet.

This mouldering abandoned mental hospital was once a center for progressive healing.

The oldest continuously inhabited street in America.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

The shared home of a utopian commune that practiced "free love" a century before the hippies.

It wouldn't be long after purchasing this farm, Brown would lead his siege on Harper's Ferry.

Dozens of houses in the Adirondack Mountains are reminders of a literal "cottage industry" to cure people of a deadly disease.

This centuries-old rooster survived a devastating fire.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Ruins of a former government building destroyed during the Georgian-Abkhaz war in the wake of the fall of the Soviet Union.

A beautiful but deteriorating monument of Soviet architecture.

Fortified homes of highland warriors that are still in use today.

In oil-rich Azerbaijan, people bathe in the black stuff.

This beautifully historic Bahrain fortress might not be the most popular attraction around, but that might make it all the better.

Skyscraper powered by wind turbines attached between its towers.

This centuries-old tree tells an unusual tale of vegetation and fertility in the desert.

The maze-like transportation hub contains abandoned areas, derelict stores, and a resident bat colony.

Oldest Protestant church in the Middle East, designed to resemble a synagogue.