The city of Manchester quietly unveiled this tribute to a 19th-century massacre.

A hunk of prehistoric lava rests amid the Gothic architecture of a campus quad.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

Have a seat with the father of modern computing at this Manchester monument.

A bronze statue of the fictional character nicknamed "Mrs. Hat" from a beloved Belgian comedy.

Brussels' favorite peeing boy has a sister.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

Christ's blood preserved in a Belgian town.

A little sculpture with a large wardrobe.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

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

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

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

A historic observatory precariously perched at the "Top of Europe."

This artistic fountain display pays homage to this area's theatrical history.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

There has been an astronomical clock on this spot since the 14th century.

One of the world's oldest fossil exhibits is on display in a beautiful antique "naturalienkabinett."

An abandoned train station in Munich constructed for the 1972 Olympic games.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The footprint of a frustrated devil in Munich's Cathedral.