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.

Built in 1512, the oldest cathedral in the Americas.

Columbus' failed colony in the New World.

This replica medieval European village in the Dominican Republic was built by a Hollywood set designer.

The final resting place of Christopher Columbus - or possibly someone else.

Featured in one of the most iconic scenes in cinema history.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

340-foot statue built to honour the Heroes of the Soviet Union.

One of the most poignant ruins of the Chornobyl nuclear disaster, the local football team's stadium has been quickly reclaimed by nature.

This attraction was abandoned after the Chornobyl disaster.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.

These temples are among the oldest free-standing stone buildings in the world.

The ruins of a megalithic monument sit right in the garden of a luxurious Maltese resort.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

The animals wander freely amid this gorgeous stretch of nature.

This no man's land slicing through the island is strewn with abandoned relics of another time.

A 1970s resort city now stands abandoned, caught in the middle of a divided island.

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

The history of Tel Aviv told through a work of art.

Tel Aviv's popular neighborhood went though endless waves of transformation.