Mummified monks and the accidentally interred, in a 17th-century crypt.

A peculiar samurai statue overlooks the center of Brno.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

Europe's second largest ossuary wasn't discovered until 2001.

A cheeky architectural easter egg.

The final resting place for the remains of 143 Habsburg royalty.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

No one knows the origin of this creepy little stone man with an oversized phallus.

A unique collection of Soviet military artifacts lies hidden away in a disused train, in the unrecognized Eastern European republic of Transnistria.

Check out engineering marvels of the past at this unintentionally retrofuturist museum.

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

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

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A public urinal so pretty, it was declared a national monument.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

The world's only museum devoted to the wonders of fluorescence.