A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

Former military fort and site of untold horrors during WWII, this island may become the Adriatic's next luxury resort.

This cluster of little wooden huts once ground local farmers’ wheat into flour during the days of the Austro-Hungarian Empire.

The haunting ruins of a military fortress turned astronomical observatory sit on a Sarajevo mountaintop.

This historic cemetery was inaccessible for several years due to dozens of land mines.

This ironic war memorial thumbs its nose at a campaign of inedible humanitarian aid food products.

These warring psychedelic crags commemorate an unsuccessful military operation.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

This abandoned Olympic skiing facility still bears the scars of the Siege of Sarajevo.

An ethereal glowing blue ocean cave in Croatia.

An abandoned brutalist monument whose history has been lost to the ages.

A miniature train-ride through Slovenia's largest cave system.

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

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

Giant, pink stuffed rabbit on an Italian mountain.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

The largest and most famous wax anatomical collection anywhere in the world.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

The middle finger of modernity.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.