Places rebeccaconner58 Wants to Go

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

In a small churchyard in Dingolfing, Germany the quaint Schusterkapelle is there to remind you of your imminent mortality.

In 1830, cemetery workers in Cham unearthed a chamber housing thousands of skeletal remains from the 13th century, which can still be viewed today.

A graveyard and memorial chapel for victims of leprosy.

The name doubles as an appropriate adjective for this small ossuary.

This chest hospital with a dark, haunted past serves as a fitting set for horror films and a paradise for ghost hunters.

A beautiful but toxic fountain of mercury.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

This unique Renaissance castle was turned into a home for Nazi occultism.

This German bone house contains the remains of some 20,000 souls.

This "floating railway" is one of the world's oldest monorail systems.

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

Tiny castle in the middle of the Rhine made you pay to pass.

A beautiful maze marks where three countries meet.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

The last bastion of Roman presence north of the Alps looms over a German town.