The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

This sacred fig tree with a link to the Buddha is one of the oldest human-planted trees in the world.

This space rocket-like Buddhist stupa sits atop two giant arches and can be seen from out at sea.

An ancient stone fortress considered by many to be the eighth wonder of the world.

This ancient cave temple complex is the largest and best-preserved temple complex in Sri Lanka.

This elaborate temple was built around one of the Buddha's teeth.

A small town in Rajasthan has been dubbed the "City of Stepwells," and Raniji ki Baori is the queen.

A centuries-old fortress city lies in ruin.

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

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

A complex of six forts embedded in the Rajasthan hills.

A former bastion of Rajput chivalry, this massive hill fort is the site of legend and tragedy.

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

This archaeological site was once a grand city of the Indus Valley Civilization with a sophisticated system for conserving water.

This 500-year-old stepwell descends seven levels deep into the ground.

The tallest statue in the world is twice the height of the Statue of Liberty.

This 16th-century mosque is the hallmark of the African architectural legacy in India.

This 15th-century mosque is a beautiful blend of Hindu and Islamic architecture.

A deeply beautiful 15th-century stepwell with a tragic story.

An architectural marvel that dates back to the zenith of Indian architecture.

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