The largest medical and anatomical collection in France lies hidden from the public.

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

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

A museum of magic with a Sadist past.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

The most visited, and possibly most controversial, museum in Germany.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.