Bridge that died in war and was resurected.

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

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

A war-torn Olympic relic is being overtaken by graffiti and nature.

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

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

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

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

Oriental bazaar in the heart of Sarajevo.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

A hands-off space for graffiti artists to hone and display their skills.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

An incarceration museum on the spot of possibly the oldest prison in England.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

This one-time health resort was used by aristocrats around the world.

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

A whimsical bridge adorned with decorative dragons.

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

Museum dedicated to the terror regimes of Hungary.

Where the lovelorn find a home for their sentimental keepsakes.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

This massive underground salt mine now holds a sci-fi theme park in its depths.