The world's only museum devoted to the wonders of fluorescence.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

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

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

Sip a Negroni Sbagliato in the bar that invented it.

This camera store in Milan holds one of Europe’s largest collections of luxury-antique cameras.

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.

This small Milan street is filled with colorful homes and a rich history.

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

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

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

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

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