An ornate sculpture of an ox in repose marks the former entrance to Nuremberg's medieval meat market, which was destroyed during World War II.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

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

A pair of giant stone heads represent the ancient Roman saints beheaded here.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

Some believe that the artist behind this whimsical statue inserted his own likeness as a way to discreetly flip the bird.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

This magenta statue commemorates the legendary marriage between a mermaid and the city's founder.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

Meet the bronze beloved pet to a family of famous peeing statues.

A mural recalls a fictional woman who once lived at 23 Quai du Commerce, 1080 Brussels.

A little sculpture with a large wardrobe.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

This legendary giant, born from vegetables, terrorized townspeople and cheated local children in games.

A man throwing a giant severed hand towers over Antwerp’s main square.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

Most prolific publishing house in the 1600s open to the public.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Christ's blood allegedly preserved in a Belgian town.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

The world's longest known cave system.

These unusual rooms on wheels are holdovers from the 1960s.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.