The first version of this stalwart construction appeared around 3,000 years ago.

Storied crypts fill the most famous cemetery in Colombia.

An out-of-place slice of France, smack in the middle of Shanghai.

A prestigious learning institute of old Shanghai.

A son-and-daughter meat market, hawked by mom and dad.

An collection of Chinese propaganda posters from 1949 to 1979.

The remains of the oldest synagogue in Britain lay forgotten for seven centuries, hidden under a humble shop.

One of the world's largest collections of pharmaceutical artifacts.

Ice cream stand, snack bar, and time capsule of milk conveyance.

A striking symbol of the Bulgarian capital.

UNESCO-protected ancient burial ground.

The Hungarian linguistics expert who wrote the first Tibetan–English dictionary was laid to rest in a remote Indian cemetery.

Disturbing winged beings decorate the walls of this strange abandoned hermitage.

Along the Rhine, about a mile from the historic Munster, learn the heartrending story of two lovers torn asunder, cast into unknown layers of time and space.

This unusual monument shows a naked Simón Bolívar stripped of clothing, medals, and swords.

Cathedral carved out of salt, located a mile below the earth's surface.

Legend says those who drink from this trickle of water are destined to return to Montserrat.

Fourteen sculptures showing the development of a fetus stand outside a hospital for women and children.

This religious site features Nepal’s largest statue of Buddha.

A statue dedicated to the founders of communism.

Different sections of the Zemun Fortress were built in the 14th and 15th century as a response to the advance of the Ottoman Empire.

Nobles would stage mock naval battles on this large lake at the Royal Palace of Caserta.

Towering high above the neighborhood of La Candelaria, the church is easily recognizable by its distinctive red-and-white striped facade.

Unparalleled stargazing, one of Colombia's best observatories, and a swimming pool can all be found in the middle of this ancient tropical forest.