Amsterdam's Red Light District leaves little to the imagination.

A floating cat sanctuary on an Amsterdam canal.

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

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

The romantic botanic tunnel feels like a well-kept secret.

Moss and stone turn this waterfall into an otherworldly liquid veil.

Beneath the most controversial monument in Mexico City is a cultural center that exhibits only digital art.

Frida Kahlo's childhood home, now a museum of her life and works.

"In the Dark" Restaurant in Paris offers dinner in complete darkness.

This Parisian café sticks almost exclusively to an ethos of reuse.

Paris' linguistic guide to the international language of, yes, love.

Notorious artist squat renovated into legal studios.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

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

Famous landmarks and structures from across Italy fill this miniature park.

A beloved local artist has been honored with this statue of a man emerging from a toilet.

Rome's first modern graffito is all that is left of a peaceful protest from the 1970s.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

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

A mysterious ancient elephant said to possess magic powers is now the symbol of a Sicilian city.

The towering Pinocchio stands 63 feet tall in the Italian village his creator frequented as a child.

More than 450 years ago, an Italian nun became the first woman to paint the iconic subject.

Leveled by an earthquake, this Italian village is now preserved as a massive concrete art project.

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