A city entirely devoted to illegal gun production.

This once-grandiose behemoth of a monument from the socialist era now sits quiet and closed up.

Unusual building appears to be haphazardly built from randomly piled bricks.

Luxury hotel turned into a refugee camp, then turned back into a luxury hotel.

This cliff-face port is considered a masterpiece of mining engineering.

One of the most spectacular canyons in the world.

Founded as a refugee camp, now a popular tourist spot.

Exploring the wilder, more passionate sibling of Erg Chebbi feels like discovering a secret sun-kissed planet from another galaxy.

An abandoned horror film set sits eerily along a highway through Hollywood's "door to the desert."

The world's largest concentrated solar power plant.

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

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

The world's largest ship graveyard is the product of decades of corruption.

A geological bull's-eye visible from outer space.

Annual rush for a sacred desert lake's fish stock.

This former Cyprus flight hub is now a crumbling, abandoned ghost complex.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

Few people have ever heard of, let alone visited, one of Turkmenistan’s most impressive natural attractions.

This famed Silk Road oasis was one of the largest cities in the world before it was destroyed by a Mongol horde.

Highly unusual subterranean stupa and adjacent cave monastery.

Unique pagan culture in three extremely remote mountain valleys.

Iran's colorful terraces are a rare geological masterpiece.

The largest dam in the world and the site of a potential disaster.

Rusting ships sit in a desert where a sea used to be.