One of the world's oldest olive trees, thought to be over 2,000 years old.

On top of a resort town as old as the Bronze Age sits an incredible war memorial statue overlooking the beaches below.

This virtually windowless mass of smooth concrete is the only Catholic church in the city.

Its frescoes depict the likeness of Marshal Tito, Karl Marx, and Friedrich Engels burning in hell.

A curious cave church carved into the face of a cliff.

These warring psychedelic crags commemorate an unsuccessful military operation.

An exquisite monument dedicated to fallen Partisan soldiers and anti-fascist fighters of Yugoslavia through symbols of gears and flowers.

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

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

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

Inat Kuća, or "House of Spite," is more than just an oddly named restaurant.

The place where World War I began.

Some of the best-preserved specimens of the monumental medieval tombstones found throughout Bosnia and Herzegovina.

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

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

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

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

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

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

This abandoned airplane hanger is said to have once been a top secret launch facility.

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

This ancient Roman aqueduct once funneled water to Diocletian's palace.

One of the very few mosques built by the Ottomans still standing in Croatia is now a Catholic church.

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