The remains of a religious colony, its amusement park, zoo, and baseball empire.

Every year, the town of Menton, France, turns lemons and oranges into giant sculptures depicting windmills, dragons, and more.

The top of society once luxuriated in this world-class hotel, which continues to impress, even in ruin.

Claude Monet immortalized this medieval bridge in two of his paintings.

This former smelter is a crumbling ruin, with the exception of its towering smokestack.

A dilapidated psychiatric facility on the outskirts of Milan where electroconvulsive therapy was developed and Napoleon once lived.

The remains of a majestic house that was once stood in the crosshairs of the Irish Republican Army.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

The atmospheric road was never meant to be so creepy.

The remains of a concrete ship sit on a sandbank between Ballina Quay and Belleek Woods.

This beautiful Croatian fortress is haunted by legends of forbidden love.

This former estate of a fascist leader is now a burnt out ruin leading to a system of secret tunnels.

This former Cyprus flight hub is now a crumbling, abandoned ghost complex.

The site of a prison camp where Cypriot resistance fighters were held in the 1950s.

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.

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

Crumbling ruins of the thermal baths that once attracted royals and aristocrats from throughout Europe.

The sinister ruins of one of the worst dam failures of the 20th century lie in this astonishing alpine setting.

This decaying complex from the early 1900s was once the site of massive iron and fluorite mines.

The walls of this tiny Italian church are entirely covered with frescoes.

The complex has been abandoned since the Croatian War of Independence, barring a stint as a set for 'Game of Thrones.'

Site of one of World War I's most horrific scenes.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

This striking fort on the Maginot Line looks just as it did after being destroyed in the Fall of France.