A space dedicated to contemporary art and culture, co-chaired by fashion icon Miuccia Prada.

"The prettiest love letters in the world" ... or so said Lord Byron.

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

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

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.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

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

The secret medieval communication system will whisk your words above the noise of the crowd.

A Milanese café entirely designed by the American director Wes Anderson.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

Auguste Maïcon, a pioneer in French aviation, was born in this house in 1891.

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

A medieval military street hidden beneath a charming French fishing village.

Artist's eccentric property excessively decorated with found objects and work of his own.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

The construction of a tram line unveiled hidden remnants of the old medieval city.

This massive blockhead sculpture hides an entire library.

Infamous and now demolished panopticon prison built by its former inhabitants.

The remains of a convent turned military barrack in the heart of Madrid.

King Carlos IV laid the first stone during construction of this chapel.

Sometimes called the Banksy of Madrid, Muelle was a pioneer of street art in the Spanish city.

Built to power trains, the engines in this building provided the entire city of Madrid with electricity during the Spanish Civil War.

This 18th-century project to build the world's tallest gravity dam was never completed.