After World War II, this former concentration camp in Northern Italy became a refuge for those displaced by the war.

Italy's curious field of mud volcanoes is named for being both gross AND salty.

A memorial to the murdered Jews of Kaunas.

This former KGB building is now a museum memorializing the people who suffered during the Soviet regime.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

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

Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

A creepy statue of a hooded ghost hauls itself up from the water in a historic Lithuanian city.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

"Holy Wisdom" overlooks the city that became its namesake.

A striking symbol of the Bulgarian capital.

A misnamed well, with a deep dark past.

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.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A museum dedicated to the former country.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

Macabre astrological automaton clock dating to the late 1400s.

A series of playful yellow penguins share a serious message about the environment.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.