One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

The museum calls itself the "National Museum of the Paranormal" and is full of eerie oddities.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

This abandoned amusement park was built on a site with a dark history.

A lone grave is quietly tucked away in Kanawha Riflemen's Memorial Park.

A retro walk through the history of the tube.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

The highest point in Belgium is a staircase to nowhere.

Baroque celebration of the end of the Great Plague of Vienna.

The resting place for anonymous victims of the Danube's dark waters.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The topiary maze at the Habsburg hunting lodge.

Macabre museum devoted to historical Viennese murders.

This spaceship sculpture in the middle of the Slovakian capital looks like it just crash-landed.

A perfectly preserved hill village where the buildings are painted like white lace.

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

Ever-growing collection of devils in art.

A memorial to the murdered Jews of Kaunas.

A creepy statue of a hooded ghost hauls itself up from the water in a historic Lithuanian city.

Lithuania's outdoor sculpture trail of wooden folk art.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

Polish luminaries and masterful folk art find sanctuary in this unique cemetery.