The history and future of cannabis.

Museum preserving torture methods from the past.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

An 18th century wonder of the world, lost in WWII, re-created at the Catherine Palace.

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

Oldest Museum of the Netherlands is a true cabinet of curiosities.

Christ's blood preserved in a Belgian town.

A Museum of Psychiatry in a still-operating mental institution.

One of the deepest indoor swimming pools in the world.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.