The world's largest statue of Mao Zedong looks out over the city where he discovered Communism.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

China's very own Atlantis is an ornate dynastic city resting at the bottom of a lake.

Mirrored floors and arched shelves create the illusion of an infinite tunnel of books.

This abandoned fishing settlement may well be the greenest village in the world.

China's most famous acrobatics act.

An collection of Chinese propaganda posters from 1949 to 1979.

This supermarket in Shanghai appears to be a typical Chinese convenience store, but all of the bottles are empty and all the containers are filled with nothing but air.

Lifelike statue of the Chinese philosopher in the bathtub.

A modern-day Lascaux cave underneath Paris.

The former global standard for the exact mass of one kilogram sits under lock and key outside Paris.

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

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

A blooming house of worship for the masses.

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

These crumbling towers are some of the last remnants of a centuries-old Vietnamese culture.

The lavish temple of the Cao Dai religion that includes Buddha, Mohammed, Joan of Arc, and Victor Hugo.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

The small candy-colored ride is the last rooftop Ferris wheel in Tokyo.

A 32-acre fun park dedicated to all things cheese.

Deco Modern sculptures of the people of the Pacific, cast for the 1939 Golden Gate International Exposition.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

A century and a half of research in the sciences and natural history, still going strong.

The rustic cabin-like decor of this Arts and Crafts-style church reflects the love of nature central to its little-known theology.