See what remains of a once grand ancient Roman circus.

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

Da Vinci's equestrian statue, 500 years in the making.

An ode to the washerwomen who called Pavia home.

A massive mausoleum towers over the gravestones in a 19th-century Italian "model village."

Ethiopia's "smoking mountain" is in one of the hottest regions on the planet and is home to two lava lakes.

The Earth's saltiest natural body of water belches toxic gas.

The hottest place on the planet.

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.