Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

An underground city of salt.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

An enormous and lavish Gothic church in Czechia.

A church of bones, decorated with 40,000 human skeletons.

A restaurant devoted to "trouser grip" wrestling, an ancient form of Viking wrestling that is Iceland's national sport.

A stunning two-story timepiece within a medieval Brick Gothic church.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

Steadily reminding Czechia of its past.

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

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

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

A surreal statue honoring Prague's favorite literary son.

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

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

Macabre astrological automaton clock dating to the late 1400s.

In addition to fine dairy products, the world's most beautiful milk shop also offers a feast for the eyes.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

A unique hanging cable-car navigates through Dresden, the oldest suspension railway in the world.

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A restaurant and observation deck built in a unique broadcasting antenna.

The most visited, and possibly most controversial, museum in Germany.

Cold war icon and onetime "hole" in the iron curtain.