A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

A tribute to a vessel involved in the notorious Larne gun-running.

This gigantic monument hidden in the woods was built to thank the Dutch for sheltering Belgian refugees during World War I.

These rusting, skeletal structures are monolithic monuments to Glasgow's industrial past

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

This half-ton piece of the Alps sits at the base of the CN Tower.

The vaulted ceiling is home to a scurry of “squirrelgoyles.”

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

Climb to the top of its spiral spire for spectacular views of Copenhagen.

While most bridges allow roads to pass over water, this one allows water to pass over a road.

An ornate private entrance to the Vienna subway built specifically for the emperor.

The last Victorian market in Belfast.

For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

This early 19th-century graveyard is the final resting place of Vincent van Gogh's mother.

An ancient Egyptian temple sits within a modern European museum.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

This urban oasis is a marvelous meld of music and landscape architecture.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

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

A king's bloodstained shirt is among the gruesome collection of artifacts displayed below Stockholm's Royal Palace.

These engineering masterpieces are a dominant feature of the Belfast skyline.

Lumps of significant stone from around the world surround a flaming monument for peace.