Siddhartha Gautama sat here and received enlightenment.

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

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

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

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

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

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

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

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

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

Modest by day, illuminated majestically at sunset.

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

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

A blooming house of worship for the masses.

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

A complex of six forts embedded in the Rajasthan hills.

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

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

Centuries-old bridges grown from tangled roots.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

The scene of a legendary hunt is displayed on this building's facade.

A beautiful example of 18th-century engineering still standing tall.

The walls and ceilings of the "Mexican Sistine Chapel" are almost completely covered with mural, sculpture, inscriptions and oil paintings.

In this breathtaking canyon, crocodiles bask on boulders and glide through the murky waters.