Unknown to many, this is where items not displayed in a Dutch history of science museum are held.

Drive past the giant fruit sculptures and up to the window for a menu of fruity treats.

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

This lesser-known leaning tower is all that remains of the medieval castle of Vernazzano.

Explore the quarry where the marble was sourced for Michaelangelo's David.

Geothermal waterfalls in Tuscany.

Romans built the world's tallest artificial waterfall in 271 BC.

This long-abandoned village sits across a narrow gorge from a still-inhabited settlement that was once its twin.

The largest civilian satellite control center in the world is located in the middle of a drained lake.

This Roman underground canal was the longest tunnel ever built until the late 19th-century.

A massive bridge forms part of an aqueduct that was deemed an architectural wonder of its time.

The abandoned ruins of a failed resort hide on this verdant, picture-perfect island.

A volcanic old faithful, Stromboli has been erupting continuously for the last 2000 years.

A network of underground water channels that dates back to the Middle Ages.

Every inch of this chapel is covered in craftsmanship from across the world.

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

Climb the dead electric pylons of Messina.

The world's most active stratovolcano is almost always erupting.

This entire town moved to a safe location after it was devastated by an earthquake, but the remains of the original town are still around.

This amazingly preserved Doric temple was abandoned before it was ever completed.

According to the legend, this structure was built in a single night with the help of the devil.

Also known as the Temple of Poseidon, this is one of the best-preserved Greek temples in the world.

This medieval hilltop village was abandoned at the end of the 19th century, after existing for more than 500 years.

A former mining village that now operates as an open-air museum.