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

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

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

The place where World War I began.

These warring psychedelic crags commemorate an unsuccessful military operation.

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

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

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

Bridge that died in war and was resurected.

Largest monument in Colombia depicts 14 lancers who drove back an army.

No one knows for sure why this town's dead refuse to rot.

This unofficial museum details the rise and fall of Colombia's most notorious narcotrafficker, Pablo Escobar.

This Bogotá museum houses the world's largest collection of pre-Columbian gold relics.

Former drug lord’s manor, now a theme park. Watch out for the hippos.

This elegant Colombian fortress was one of the torture headquarters for the Spanish Inquisition.

This picturesque mansion has gone from opulent ruin to nature museum.

A dangling church built over a Colombian gorge.

This panoramic lift provides a futuristic ride up San Pedro Mountain.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

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

This sign marks the entrance to a tiny proto-state within the small country of Moldova.

A unique collection of Soviet military artifacts lies hidden away in a disused train, in the unrecognized Eastern European republic of Transnistria.

Seventy-five miles of limestone caves host more than a million bottles of wine beneath a sleepy Moldovan town.

The largest wine cellar in the world is a 150-mile network of underground caves near the capital of Moldova.