Despite being tiny and rural this Georgian airport looks like a sci-fi boondoggle.

The cave holds a spectacular array of stalactites and stalagmites, including one shaped like a giant human heart.

Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

These morbid carvings remind churchgoers of the inevitability of death.

A domino effect created with Britain’s iconic telephone boxes.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

The world's only museum devoted to the wonders of fluorescence.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

Countless grotesque faces stare out from this eerie Prague art wall.

This unusual hostel provides a glimpse of life in a city under siege.

This picturesque monastery at the base of a cliff is a peaceful oasis open to all visitors.

A bridge destroyed three times: once as a ruse, then in an actual attack, and finally for the movies.

This surreal memorial/cemetery is a necropolis of crumbling stonework and puzzle-shaped headstones.

This brutalist monument is inscribed with 9921 names of Yugoslav partisans who perished during WWII.

A forgotten and crumbling Yugoslav monument to the victims of fascism.

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

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

These warring psychedelic crags commemorate an unsuccessful military operation.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

Bridge that died in war and was resurected.

This enormous abstract sculpture is part jungle gym, part elaborate noise-making machine.

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