Descend 2,030 years into the past in an ancient tunnel built to support Jerusalem's most famous wall.

World's tallest monolithic statue has served as a pilgrimage site since its completion in 993 CE.

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

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

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

A complex of six forts embedded in the Rajasthan hills.

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

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A museum devoted entirely to the rattlesnakes and snake-related art.