After a catastrophic forest fire, a Greek artist transformed scorched tree trunks outside an old sanatorium into this haunting sculpture garden.

During World War II, the Shroud of Turin was secreted to this remote southern Italian complex.

A 1,000-year-old church holds the bones of the Christian martyrs who died hiding inside it.

A cave in southern Italy adorned with thousand-year-old Biblical frescoes existed in obscurity until fairly recently.

The tallest statue in Italy is also one of the world's tallest statues of Jesus.

This skeletal, unfinished Gothic church once housed a miraculous masterpiece by Raphael.

Abandoned village in Sicily built during the agricultural reforms of Mussolini.

The now-abandoned Fascist summer colony served a dark purpose during World War II.

This Torino museum honors a soldier who kept the city safe using barrels of exploding gunpowder, losing his life in the process.

This building was designed to celebrate Italy's victory in World War I.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

A small island that was once a key Axis fortification during World War II.

The Church of the Annunciation was carved into the face of a cliff, just like the rest of the town of Haute-Isle.

The oldest stone house in Paris was built by its most famous alchemist.

A haunting collection of the vanished and disappearing natural world.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

Memorial built in 1922 in remembrance of WWI casualties.

One of the notorious Soviet leader Joseph Stalin's many summer retreats.

Rare documents, old instruments, and gruesome specimens showcase the history of military medicine.

The “Sistine Chapel” of the Middle Ages merges 11th-century science and religion in wondrous hues.

These 12th-century catacombs carved into a mountainside were a place of mysticism and Christian hermitages.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.