This sculpture honors the man who was known as the "Righteous Among the Nations."

Where the lovelorn find a home for their sentimental keepsakes.

A meow-velous tribute to a beloved street cat, made famous on the internet.

Unable to build support structures on glaciers, the engineers for this tramway were forced to design a unique system.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

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.

Statues of a fire-breather, a clown, and a whole performing troupe celebrate Luxembourg's creative side.

In the heart of Luxembourg's "little Switzerland" weaves a breathtaking natural sandstone canyon with a mythological past.

This interactive sculpture allows visitors to leave a message in case a friend passes by.

The reconstruction of this prominent building fulfilled a long-written command.

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

The oldest housing complex in Riga is a mini timeline of architectural trends.

A black cat protests the City Guild in Riga's Old Town.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.