The painted and decorated towers of this Hindu shrine were once the tallest structures in one of the oldest cities in India.

A startling, centuries-old subterranean marvel hides in plain sight.

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.

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

The Indian capital of black magic and witchcraft.

The ancient water tanks remain some of the ruined city’s most beautiful architecture.

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

This 17th-century mausoleum is topped with an acoustic marvel.

Deep in the Thar desert, a temple crawling with thousands of holy rats.

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

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

The largest tiger reserve in India is a vast expanse dotted with ancient ruins of Nagarjuna Viswa Vidyalayam.

This stunning 15th-century royal hill fort preserves the age of chivalry in Rajasthan.

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

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

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

A nearly unconquerable island-fort in the Indian Ocean.

A centuries-old fortress city lies in ruin.

Modest by day, illuminated majestically at sunset.

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

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

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