This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

Rare recess caves fill this unbelievably beautiful Ohio park.

This park pays homage to the region's rich industrial history of brick making.

The site of the worst mining disaster in Ohio's history.

An abandoned asylum incorporated into a college campus.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

The failure of one component toppled this entire bridge during rush hour.

Extremely famous in his native country, this Cracovian painter is all but unknown beyond Polish borders.

A lone cannonball remains lodged in the walls of the Hotel de Sens as a sober reminder of a revolution.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

This ordinary street was made infamous by a legendary visit from the devil.

This chimerical bridge/tunnel appears to dead end right into the sea.

Dedicated to the American general whose reply to a German demand for surrender was simply "Nuts!"

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

Bridge that died in war and was resurected.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

A whimsical bridge adorned with decorative dragons.

This abandoned Slovenian military barracks has become a punky-political art squat.

A former ironworks that was the first UNESCO industrial site.