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

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

A mocking tribute to the past and modern leadership of Prague.

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

The risqué mixed-media sculptures are supposedly a metaphor for Czech politics.

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

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

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

The Habsburgs' royal collections of art and wonders.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Some of the greatest minds in the history of Hungarian art and science converged in this café.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

Budapest's Communist-era statues, banished to the suburbs.

Museum dedicated to the terror regimes of Hungary.

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

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

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

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

The unusual sculptures are believed to be powerful political symbols.

A museum dedicated to the former country.