The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

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.

Romania's triumphal arch looks out over Bucharest.

A 20th-century picture show in 3-D.

This micro-nation may be some sort of prank, but its constitution sure seems official.

While this monument tile is shrouded in mystery it also marks the end of the longest ever human chain.

3,000 market stands in five former Zeppelin hangars.

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