Ancient traditions and surreal birdwatching come into sharp relief along one of the world's most polluted rivers.

Time has stopped at the house where Gandhi died.

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

Nineteen ancient rock-cut Buddhist caves can be found on the outskirts of Mumbai.

A centuries-old fortress city lies in ruin.

The roof of one of the world’s largest spice markets provides a grand view over the neighborhood's glorious bustle.

This beautiful 16th-century necropolis marks an astonishing feat in heritage conservation.

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

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

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

Modest by day, illuminated majestically at sunset.

Nestled among the artifacts of the National Crafts Museum, this hidden gem offers hard-to-find regional foods from all over India.

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

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

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

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

A blooming house of worship for the masses.

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

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

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

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

Sacred Indian temple that’s all monkey business.

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

More than half of this Indian palace is drowned but it looks all the more spectacular for it.