This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

With statues of Nelson Mandela and Harvey Milk this monument has been called the Mount Rushmore of California.

High in the clouds of San Marino sits an ancient tower with some curious prisoner graffiti.

An eclectic art form practiced by untrained masters is celebrated at this museum in the heart of Zagreb's old Upper Town.

One man's personal collection of KGB memorabilia is presented along with his strange viewpoint.

Curiously, this large sporting goods store features 14 wax representations of American presidents.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

One man's prolific, decade-long quest to turn trash into artistic treasure.

A grand imperial capital left to fall into magnificent ruin.

This impressive clifftop temple was once at the center of an international custody dispute.

This Cambodian riverbed is covered in ancient Hindu carvings both above and below the waters.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

The oldest teak bridge in the world is made from the remains of a royal palace.

A vast, otherworldly collection of Buddhist stupas.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

One Italian taxi driver covered his entire house in small seashells creating a weird bit of architecture that is preserved to this day.

Once a state-of-the-art tuberculosis treatment spa, these ruins are now ruled by paintball players.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

This former estate of a fascist leader is now a burnt out ruin leading to a system of secret tunnels.

This surreal memorial/cemetery is a necropolis of crumbling stonework and puzzle-shaped headstones.

This historic cemetery was inaccessible for several years due to dozens of land mines.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

This former sugarcane transport tunnel is now a portal to a lovely beach.