Three young men who lived on this street are honored for their service during World War I.

A celebration of one of the West End’s most recognizable figures, who made helping others his life's work.

Beggars were miraculously "cured" of their fake ailments when they returned home to this 17th century Paris slum each night.

A popular shrine where the Blessed Virgin allegedly appeared in 1830, displaying a holy armchair and two incorruptible remains of Lady Saints.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

A unrivaled and rather horrifying collection of wax dermatological models.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

The ruins of this Dutch castle sit atop a labyrinth of once-secret tunnels and passageways, dating back over 900 years.

Colorful and chaotic stacked hotel in North Holland.

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

The history and future of cannabis.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

Peek through a transparent pyramid and drink in the mountain made of books.

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

A floating cat sanctuary on an Amsterdam canal.

Cat art as far as the eye can see.

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

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