Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.

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

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

This luxury shopping lane has been protected by its own tiny police force for over a century.

This London plaque marks the spot where David Bowie's famous alien made his debut.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

Giant, friendly pelicans in Central London, the most unlikely of places.

Banksy gives themself artistic license with this piece of London street art.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A 300-kilogram egg sculpture that embodied a neighborhood revival.

A 15-foot-tall statue of the head of the Sopranos family greets passengers at a train station in southeastern Lithuania.

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

These plaques found across Warsaw commemorate the sites where executions or battles took place during the German occupation.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

A statue honors the children who fought Nazis in Poland.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

This colorful and quirky set of pegasus sculptures celebrate the works of poet Zbigniew Herbert.