This ruin in a suburban park may be the place where Shakespeare's "A Midsummer Night's Dream" was first performed.

This bone-filled cave got its name after they found 140 bear skeletons inside.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

This once-derelict building is now one of the most beautiful bookstores in the world.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

This fairy-tale castle would make Dracula (who is said to have been imprisoned there) jealous.

Inside this small chapel tucked away in the forest is one of the most well-preserved Danse Macabre frescos.

This modern, multimedia museum takes visitors on an evolutionary journey back in time.

Humble beginnings for one of the world's most famous scientists.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

Legend has it fairies gathered at the site of this medieval castle.

This beautiful Croatian fortress is haunted by legends of forbidden love.

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

In this Romani neighborhood lies a museum dedicated to the culture and history of the Roma.

Be(w)ar(e) the moat around this historic Czech castle.

A museum of alchemy and a basement laboratory all housed in an ancient building in a Gothic tower.

Two stunning 17th-century libraries and a cabinet of curiosities.

This museum is housed in an unassuming building that witnessed one of the most daring feats of satire in modern history.

This memorial museum chronicles the apocalyptic destruction of the First World War.

This charming, hidden guild museum holds some 700 years of crossbow history.

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

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