An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

See how paper is made the old-fashioned way.

Go inside to really appreciate this 500-year-old technological masterpiece.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

This 1st-century CE Roman bath sits under a carpark.

This ossuary is more than five centuries old and is heralded as one of the finest in Switzerland.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

"The prettiest love letters in the world" ... or so said Lord Byron.

The secret medieval communication system will whisk your words above the noise of the crowd.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

This metal disk commemorates the birth of a historic American holiday.

A giant Troll lurks under one of Seattle's oldest bridges.

When zealous marijuana enthusiasts kept stealing the "Mile 420" highway marker, the State of Colorado got creative.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A wall of chewing gum moonlights as collective art.

A museum dedicated to the history and exploration of both popular music and science fiction.