Microscopic scenes; some call it novelty, some call it art.

Thirty creepy ghosts now inhabit this decaying 14th-century church.

Street artists transformed an abandoned air vent into the beloved Star Wars robot.

Underneath this small church are 15,000 bones, arranged by an obsessive academic.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A subterranean Holocaust refuge within one of the world's longest cave systems.

Religious structure known for its sculpted details.

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

A medieval church built up to defend its village.

A stunning 18th century pharmacy and medieval chemist's collection.

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

"Unity, Creativity, Beauty."

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

This tiny Bulgarian town offers a stunning location in the mountains and a storied history.

This World War I fortress is the perfect place to catch a Montenegrin sunset.

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

A cheeky architectural easter egg.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

An existential riddle in the world's largest ancient castle.

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.