An ancient Ethiopian cave church is endangered by the simple building of a road.

An Ethiopian "Jerusalem" featuring a church hewn out of a single rock.

An enchanting rocky island of scraggly baobabs surrounded by an ancient sea and sprawling salt pans.

Spanning over 10,000 square miles, this ancient salt pan is one of the largest on the planet.

When this funny little building went up in the 19th century, most people thought it would simply fall over.

This building has a giant piercing through one of its corners.

This fountain is dedicated to the workers who perished constructing the Fréjus Rail Tunnel.

A fake medieval village in the middle of Turin.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

A perfectly preserved example of a fortified Medieval ricetto.

A 15th-century park that recreates a bit of the Holy Land in Italy.

Old batteries and frog skeletons reside in this lakeside monument to Alessandro Volta.

This 1st-century CE Roman bath sits under a carpark.

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

A larger-than-life house of cards stands outside the house of a former fashion designer.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

The cutest shrine in Kyoto is dedicated to bunnies.

A shrine contains nearly 200 statues of the Buddhist deity Jizo, dressed in bibs by parents who have lost a child.

Established over a thousand years ago, this family-run teahouse continues to serve skewers of sweet rice cake to this day.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

The quintessential Japanese rock garden has existed for more than 500 years.

The 10,000 Torii shrine.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.