One of the largest Buddhist stupas in the world keeps an eye out in every direction.

Sacred Buddhist home of some spiritual monkeys.

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

The world's second-largest sundial, made entirely out of stone.

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

Siddhartha Gautama sat here and received enlightenment.

This lavish estate recalls the opulent history of Calcutta.

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

Rock-cut cave complex filled with ancient Buddhist artwork.

An extraordinary "City of Caves" carved from solid stone.

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.

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

This elaborate temple was built around one of the Buddha's teeth.

An ancient stone fortress considered by many to be the eighth wonder of the world.

The ancient remains of this natural fortress can still be found along the Silk Road looking surprisingly preserved.

A lush desert oasis in the shape of a narrow crescent.

The western-most fortress on the Great Wall of China has gone from a strategic stronghold to a kitschy tourist carnival.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

The once highest point in China blends symbolic design with a kick of adrenaline.

This psychedelic tourist trap is a leisurely descent into madness.

An out-of-place slice of France, smack in the middle of Shanghai.

A natural arch offers panoramic views of Yangshuo's karst hills.

Snow-capped peaks, colorful waterfalls and stunning vistas on the edge of the Himalayas.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.