This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

This watchtower once presided over the Berlin Wall.

A portable, wooden replica (minus the hyphen) of Hamburg’s iconic crooked coffee shop.

The final resting place of many of Germany's most famous communists.

Art and a pun, all in one.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

The Fox Sisters, America's leading mediums in the mid-19th century, possessed a table they claimed helped them "communicate" with the dead.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This Parisian gem is one of the most incredible ethnographic museums in the world.

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.

A historic observatory now an astronomy museum beautifully situated at the moat of the Middle Age city centre.

Lavish royal estate punctuated with heated greenhouses.