The world's largest secondhand book market is a haven for bibliophiles and bargain hunters.

An eclectic mix of influences rot together in harmony in this India necropolis.

At 8,000 feet, the world's highest tea estate draws visitors for both its products and its panoramic views.

This magnificent stepwell is designed as an inverted temple and adorned with 1,500 sculptures.

A nearly unconquerable island-fort in the Indian Ocean.

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

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

A centuries-old lookout post still sits atop a natural stone spire.

An ancient iron pillar in Delhi that seems to be rustproof.

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

Modest by day, illuminated majestically at sunset.

A centuries-old fortress city lies in ruin.

A blooming house of worship for the masses.

This ancient Hindu temple is covered in thousands of colorful statues and has a long mythological history.

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

A complex of six forts embedded in the Rajasthan hills.

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

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.

Rock-cut cave complex filled with ancient Buddhist artwork.

A single tree's 2,800 aerial roots give the appearance of a complete forest.

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

This otherworldly palace-mausoleum complex is the stuff eternal dreams are made of.