This hilltop warren of monastic dwellings is the result of centuries worth of Mongol attacks.

An abandoned settlement originally established by British colonialists in the Andaman archipelago.

A centuries-old fortress city lies in ruin.

This abandoned fort is said to be the most haunted place in India, so much so that entry is prohibited after sunset.

Remote town home to Himachalis, Israelis, and tons of hashish.

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

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

This experimental utopian "city of the future" in rural India may hold a dark secret.

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

Sacred Indian temple that’s all monkey business.

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

Rock-cut cave complex filled with ancient Buddhist artwork.

The second-longest continuous wall on the planet protects a hidden secret in the deserts of India.

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

A lake with hundreds of ancient skeletons surrounding it. The surprise is what killed them.

Centuries-old bridges grown from tangled roots.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.