A blooming house of worship for the masses.

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

This abandoned fort is said to be the most haunted place in India, so much so that entry is prohibited after sunset.

A complex of six forts embedded in the Rajasthan hills.

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

A single tree's 2,800 aerial roots give the appearance of a complete forest.

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

Rock-cut cave complex filled with ancient Buddhist artwork.

Sacred Indian temple that’s all monkey business.

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

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

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

India's oldest sati stone, attributed to an otherwise unknown king of the ancient Gupta Empire.

An astounding 13th-century architectural and historical achievement

This 18th-century complex has served as a mosque, mausoleum, and one of the largest caravanserais in India.

This temple located on a vertical drop of a rocky mountain houses relics from the Song Dynasty.

An impactful museum ensures notorious war crimes disguised as "medical experimentation" won't soon be forgotten.

Hundreds of caves filled with thousands of centuries-old statues and murals.

Sited in an Inner Mongolian desert are the remnants of an important trade stop along the Silk Road.

These tiny statues form a terracotta army from China's Han dynasty.

A tunnel dug through the side of a mountain by hand provides convenient yet death-defying access to a small village in China.

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

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

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