The architect of this fanciful complex called it an "oasis for humanity and nature in a sea of rational houses."

The royal seat of Henri Christophe, a formerly enslaved man who became Haiti's only king.

This sign marks the entrance to a tiny proto-state within the small country of Moldova.

A micro-communist utopia in Spain with no police, no mortgages and full employment.

An urban laboratory.

This experimental utopian "city of the future" in rural India may hold a dark secret.

Once known throughout Europe, this tiny and unusually progressive 18th century micro-nation within Lithuania now lies in ruins.

Remains of an abandoned coral city.

A Zoroastrian funerary tower where excarnation rituals are carried out is threatened by the area's dwindling vulture population.

The "Versailles of the Jungle" built by a dictator is now a decaying shadow of its hubristic grandeur.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

A fantastic assortment of China's finest and most disturbing wares.