The Avenue of Mausolea is a series of grand palatial tombs.

A dictator's gold statue once rotated to face the sun on a 75-meter high marble tower.

A fiery crater has been burning in the Karakum Desert since 1971.

This "tower of death" has acted as an observatory, a religious hub, and an executioner's lair.

These "50 Fortresses" have been unearthed in the ancient oasis of Khwarezm.

This brutalist monument is inscribed with 9921 names of Yugoslav partisans who perished during WWII.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Marked by the hand of the explorer Henry Morton Stanley.

Space-age minarets towering over Islamabad.

The remains of what was, not so long ago, the world's largest city.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

Rock-cut cave complex filled with ancient Buddhist artwork.

Temples adorned with intricate, erotic sculptures make up one of the "seven wonders" of India.

Sacred Buddhist home of some spiritual monkeys.

Intricate wood carvings on an island in Siberia.

Some of the world's only freshwater seals live in one very special lake in Russia.

The tallest stationary dunes on Earth also happen to sing.

Jurassic theme park in the small town of Erlian.

Believed to have once stored either human remains or rice wine, thousands of mysterious stone jars lie in ruin.

Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

A battle between nature and architecture in the Cambodian jungle.