Greenery cloaks this serene sculpture inspired by the famous Lost Gardens of Heligan.

The Devil’s own choice when he needs a drink in Brussels.

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

This unusual elevator doesn’t stop or slow down.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

The history and future of cannabis.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

Cat art as far as the eye can see.

Museum preserving torture methods from the past.

A floating cat sanctuary on an Amsterdam canal.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This cheese shop also houses a museum devoted to Dutch dairy.

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

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

For decades, vendors have sold clothes once worn by American soldiers who stormed Italy in the 1940s.

Before the more famous Royal Palace of Caserta, the king of Naples first commissioned this overlooked residence.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

Skulls from the plague of 1656 and World War II bombings are united by a cult dedicated to caring for the ancient dead.

An unusual "skull with ears" sits in the crypt of this small church tucked away at the end of a narrow alley.

The once forbidden "secret cabinet" of erotic art from excavations of Pompeii and Herculaneum.

The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.