A 12th-century fortress containing some of Berlin's oldest buildings.

One of the oldest cemeteries in Germany was originally used for victims of a cholera epidemic.

The bridge that cost Germany a World Heritage Site.

Heralded as one of the prettiest castles in all of Czechia.

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

A Baroque mansion with ties to legendary magicians and alchemists.

One of the oldest wine cellars in Germany is now a restaurant beneath Bremen's town hall.

A charming and enigmatic sculpture of a lynx haunts the park of Kellinghusen.

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

A controversial artwork draws attention to the dark history of Prague's "Suicide Bridge."

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

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

A road that winds through this natural cave is the only way to access the small, appropriately-named village of Cuevas.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

These "mermaids" that surround a plaza in Segovia are rather sphinx-like.

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

A site outside Pedraza, Spain where a plaque tells a tale of seven-legged creatures that were said to have once lived in the area—in the fictional world of Kcymaerxthaere.

A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

The fragmented remains of a massive public bath connected to the city's water supply.

According to tradition, King Phillip II supervised construction of the seat of his empire from this seat carved into rock.

This beautiful spit of land was once the summer playground of the king of Spain.