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

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

This massive mural by famed pop-artist Keith Haring was hidden for almost 30 years until its 2018 rediscovery.

A beautifully eclectic mix of architectural styles.

A nearly 25-foot concrete sculpture of Sylvette, Picasso's muse.

An art installation memorializing a tram stop, which became a tram stop.

This charming pup is meant to celebrate the youth and stubbornness of the city's students.

A strangely curved lamppost stands tall over this avenue in Rotterdam.

These lights mark the area of Rotterdam that was bombed and burned in 1940.

A statue of the second-tallest Dutchman in history.

How did a lighthouse wind up in the middle of this landlocked German city?

A poignant mural honors the heroic teenage non-conformists who took on the Nazis and paid the ultimate price.

It's said to be one of the most significant collections of contemporary Chinese art in the world.

Native Australian lizards inhabit this garden celebrating Sydney and its sister city in China.

People can't get enough of these adorable Japanese photobooths.

A 19th-century perch for spotting sailing ships now boasts one of the most iconic views in the Southern Hemisphere.

The birthplace of most all of Europe's space missions is here on the Dutch coast.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

Once a meeting point for great thinkers, and the midpoint of the country.

A little sculpture with a large wardrobe.

Cozy basement bar sports an inventory of over 2,000 beers.

Brussels' favorite peeing boy has a sister.

These fantastically named natural pools look like something out of a Scottish myth.

This single-track road rewards brave drivers with stunning Scottish scenery.