This eatery transports diners to a place that no longer exists: East Germany.

This surreptitious shop is only open five hours per week.

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

Russian history in San Francisco.

Originally a leper colony, the island is now an Armenian monastery that's home to an incredible manuscript library and eclectic museum.

Supposed home of the camel ridden by Napoleon during his Egyptian campaign.

This "social palace" housing complex created a relatively stable and self-contained worker's society... for a time.

The shape of this old salt factory complex was inspired by the course of the Sun.

Lyon's "Wall of the Silk Weavers" is one of the largest murals in Europe.

Sky ships, planes, and portraits left as unique tokens of hope and thankfulness.

Now a memorial, this factory was once used as a concentration camp for artists by the Vichy government.

What if all public housing projects had been designed by "the Pygmalion of modern architecture," not only their prototype?

Experience architect Le Corbusier's modernist design for living in the home he designed for himself.

For a brief time in 1960s France, families could climb into a tiny submarine and be pulled along an underwater journey.

Longest canal tunnel in the world, abandoned in the 1960s.

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

The world's most famous cheese caves.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

An ancient ossuary in Rouen.

Walk through spectacular aisles of hanging meat and wagon wheel–sized cheese at the world's largest wholesale food market.

This crumbling, graffiti-covered mansion sits tantalizingly within reach of the proletariat who frequent a public park.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

This medieval tower is all that remains of the castle where Joan of Arc was held before being burned at the stake.