The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

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

The history and future of cannabis.

This former Masonic lodge has been transformed into part museum, part bar, all awesome.

You would never come across this tiny green oasis if you didn't know it existed.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

A beer pipeline runs beneath Bruges.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

Theme park featuring miniature replicas of European monuments.

Climb inside an iron crystal magnified 165 billion times its normal size.

The Belgian royal family's private depot now stands abandoned and forgotten alongside the tracks.

Lavish royal estate punctuated with heated greenhouses.

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

Megachurch turned Catholic church comprised of 10,000 glass panes.