Macabre museum devoted to historical Viennese murders.

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

Known as the Hintz House, this medieval pharmacy has been an apothecary's haven for nearly 450 years.

Something's watching you.

A stunning 18th century pharmacy and medieval chemist's collection.

Gigantic Romanian salt mines used to heal respiratory conditions.

The Natural History Museum that time forgot.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

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

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

This massive underground salt mine now holds a sci-fi theme park in its depths.

Elegant marble and old vaults fill this historic Dutch bank turned office space.

The history of sea-faring refuse and disaster is on cramped display in this Netherlands folk museum.

The place where houses are born.

Pull up and have a drink at a museum filled with hundreds of years worth of shipwreck artifacts.

This disused VLF radio station is no longer in service but the surrounding town still bears its name.

A true Valhalla for cactus and succulent lovers.

A preserved building where the dead were once watched for signs of life.

This miniature take on the Kremlin is one Dutch man's retirement project.

A Netherlands hotel where you can sleep inside a wine barrel.

Unchanged for centuries, this medieval library keeps its books in chains.

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.

Incredible labyrinth of man made caves.

The world's oldest Jewish library was founded by Sephardic Jews in 17th century Amsterdam.