A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

Artfully arranged bones of 5,800 Austrians.

Macabre museum devoted to historical Viennese murders.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

Where beer lovers can literally immerse themselves in beer.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

The beautiful baroque library of the Hapsburg empire.

A wonderfully kitsch bookstore the size of a supermarket.

A gender-bending antihero's grave, where lies the inspiration for both book and film.

The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.

In an area where the remnants of WWI are discovered on a regular basis this preserved frontline trench may be the most amazing.

Descend into the tunnels to experience the life of a coal miner.

Museum covers every step of the chocolate-making process, from cultivation to the finished product.

Somewhere there is a giant who can no longer poop, but now travelers can stay inside his anus.

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

This Belgian theme park began as a refuge for bored church children and was closed down when a boy lost an arm.

Ancient man-made caves underneath small town Belgium.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Theme park featuring miniature replicas of European monuments.

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

This abandoned Belgian fortress is purposefully being left to nature.

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