Pilgrimage site for star-crossed lovers.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

The yawning maw of this pagan visage is said to bite off the hands of liars.

A 16th-century horror show built in a lovely Italian garden.

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

Macabre astrological automaton clock dating to the late 1400s.

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

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

This beautifully verdant lagoon is tucked below a massive volcano in a crater atop a black pebble beach.

Partially collapsed lava tube and cave system complete with concert hall, underground pond, and unique albino crabs.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

Legions of Roman soldiers bathed in this ancient spa complex under a Budapest transit station.

A museum dedicated to a secret military hospital hidden beneath a castle in Budapest.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

Sitting beneath an unremarkable residential building is a museum devoted to classic Pinball.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Museum dedicated to the terror regimes of Hungary.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

This monumental work of art symbolizes the coming together of a previously divided city.

A collection of abandoned typographic signs from Berlin and beyond.

Art and a pun, all in one.