A giant coin serves as a very unusual yet creative monument commemorating one of the most important people in the history of Trieste.

This Roman monument is surrounded by more recent construction, offering a stark contrast between ancient architecture and the modern urban landscape.

One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

This underground tunnel system built during World War I offers a fascinating glimpse into Pula's military history.

A Roman mosaic depicting a classical myth was only rediscovered after bombing during World War II.

A house that transports visitors back to Yugoslavia.

A well-worshipped shrine to the Virgin Mary nestled inside the last of Zagreb’s historic gates.

An early 20th-century bullring converted into a modern shopping center.

This colorful statue welcomes visitors to a Barcelona park.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

An Anatolian immigrant created his own little paradise in the shadow of the Berlin Wall, made possible by the tensions of the Cold War.

Named after a militant urban guerilla, this famous former squat is a graffiti-covered stronghold of leftist culture.

One of the best-preserved pieces of DDR propaganda in Berlin.

A wonderful museum dedicated to the local straw hat industry.

This red light district plaza memorializes the Fab Four and their historic connection to the area.

Hamburgers are intensely proud of their tunnel beneath the river.

Cages that once displayed the bodies of executed leaders hang from a German church tower.

This strange building looks like a medieval fortress crashed into a 1960s Brutalist office block.

Across Valencia lie the remains of three ancient fortifications built centuries apart: a Roman enclosure, an Islamic expansion, and a medieval Christian wall.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

After immigrating to Paris in the 1970s, two brothers from Laos built a grocery store empire.

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.