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

Theme park featuring miniature replicas of European monuments.

A rare example of World War I trenches from the British front.

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

Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.

Nature is slowly overtaking this disused cemetery on the outskirts of Brussels.

When you're a great Russian Tsar, even your vomit gets a statue.

The oldest cemetery in Belgium.

Inside this former medieval prison is a collection of objects designed to inflict unbelievable pain and suffering on the human body and mind.

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

The shell of a medieval fortress offers commanding views of the area it once protected.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

Outside of Budapest, a reconstruction of a 16th-century fortress.

The memorial stands at the intersection of the rivers Morava and Danube.

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

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

A two-way chairlift system between Zugliget and the highest point in the city.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

Museum dedicated to the terror regimes of Hungary.

Once the home of a hermetic monk, this cave now houses a small church.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.