Once an ancient Roman bath, now a hotbed of geothermal energy and a hub for energetic innovations.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

A town saturated in Italian rationalist architecture was once marshland drained by Mussolini.

This breathtaking monastery was established by Saint Benedict himself 1,500 years ago.

Things seem to roll, flow and run uphill on this short patch of road near Ariccia, Italy.

An abandoned 17th-century baroque hunting lodge with a wonderfully strange architectural plan.

This splendid mosaic embodies ancient Rome's fascination with the exotic allure of Egypt.

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

This Italian ski resort rose to fame when Benito Mussolini was held prisoner there and then rescued by the SS.

A map of Italy made entirely of trees.

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

Stone pillars and a petrified wedding party in the hills of North Macedonia.

Space-age monument to an early 20th-century uprising.

A natural wonder in south Denmark.

A lonesome Moai stands in a small Italian town some 9,000 miles away from its Easter Island brethren.

This winding road through an Italian canyon may be the most scenic drive in the world.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.