This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”

Not one, not two, but three natural bridges remain in this captivating spot post-sinkhole.

This Tang Dynasty behemoth is the biggest Buddha in the world.

The ancient settlement attracts tourists from all over looking to learn about the Chinese vision of the afterlife.

The field of tiny caves that mark this Chinese cliffside are each their own historic Buddhist temple.

Comprised of thousands of cave temple carvings this cornucopia of ancient Chinese stone art is unrivaled anywhere in the world.

These layered sandstone mountains in China look like they are made of pressed crayons.

Monks turned this mountain into a temple by digging grottoes, tunnels, and a huge pagoda-like hall.

Intensely colorful calcite pools in Southern China.

Rock-cut caves and 7,000 Buddhist sculptures carved into the nearly sheer face of a sandstone mountain.

This impressive clifftop temple was once at the center of an international custody dispute.

Take a hidden path to the mouth of the cave to watch millions of bats swarm at sunset.

A battle between nature and architecture in the Cambodian jungle.

The capital of Cambodia is named after the hill on which this ancient temple complex stands.

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

This abandoned stepwell is one of the largest, deepest, and certainly one of the creepiest in India.

An ancient curse kept humans from living on the water, and now it's brimming with rare wildlife and is one of the most pristine rivers in India.

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

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

This ancient goddess temple inspired the design of India’s Parliament House.

Sacred Indian temple that’s all monkey business.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

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

Legend has it a commoner volunteered to be buried alive in the foundation so that the great fortress could be built.