Gargoyle head that brings good luck.

A musical instrument played by the sea.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A miniature train-ride through Slovenia's largest cave system.

This one-time health resort was used by aristocrats around the world.

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

Final palace complex of the last of 29 Kokand rulers.

Ancient barriers wrap around what was once an important stop along the Silk Road.

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

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

The remains of an ancient city-state along the Silk Road.

This peaceful Sikh gurudwara serves around 50,000 free meals every day within its gilded walls.

On the Pakistan-India border the militaries perform an elaborate theater of aggression each and every night.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

This opulent 16th-century Maharaja’s palace is a unique mix of Hindu and Muslim designs.

Hidden in the shadow of a rocky fortress is one concubine’s long-forgotten legacy.

Once an indicator of social class, the color blue has come to define this city on the edge of the Thar Desert.

The oldest still-inhabited hill fort in India looks like a magnificent golden sandcastle.

Fifteen Jodhpur queens left their handprints before going to their fiery death.

An imperial fortress city that incorporated cultural elements from the entire Mughal empire, only to be abandoned the year it was finished.

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

Mountain of unimaginable riches that bankrolled the Spanish Empire, complete with its own underworld god.

The soaring gondola lines form the longest aerial cable car system in the world.

This hotel is located on the edge of the world's largest salt flat and is made out of the only material around.