An enigmatic modern marker left next to a historic Roman site.

Harlequin costumes, signed scripts, and armor-wearing puppets.

This delightful little museum is dedicated to only one thing: pasta.

Rome is now home to a stunning food museum and library.

This subterranean shrine beneath a bike rental store celebrates the iconic Italian scooter.

A forgotten "city of water" underneath the famous Trevi district.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

Museum dedicated to literary greats of the Romantic Period is also the home in which Keats met his untimely end.

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

In the 1940s, Italian architect Mario Cavallè built a dozen of these round homes in northern Milan.

A brutalist gem towering over the heart of Milan.

An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.

The train platform where Jews were sent to concentration camps is now preserved as a Holocaust memorial.

Vast network of air raid tunnels beneath Lombardy's capital.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

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

At this monastery, monks make raw-milk cheese and use excess whey to create methane that powers their hot-water system.

A place to see how French aristocrats lived in the early 1900s.

This French chateau is home to the world’s largest private collection of fighter jets.

This fascinating museum in an old water tower holds the world's largest collection of Vodou artifacts from western and central Africa.

Trek up this glacier before it disappears.

This Bordeaux parking garage has 712 indoor spaces, and one outdoor.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.