Macabre museum devoted to historical Viennese murders.

Thirteen sculptures in central Moscow graphically depicting vices of the modern world.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A lovingly curated curio shop in which the taxidermy wear newspaper party hats, and peanut shells are spread across every surface.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

A completely underwater art museum sends a stark message about humans' impact on the environment.

An eerie, derelict amusement park in Berlin.

A state-of-the-art medical facility from the Imperial era is now a derelict ruin.

The music is over at the Ballhaus Riviera Ballroom, but the ballroom remains in haunting disrepair.

Puppet theater and museum holding a collection of more than 300.

A museum dedicated to a Cold War era sausage.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

A fitting attraction for the corn capital of the world.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

An Englishman loses his scalp to a Cheyenne warrior and lives to donate it to a library.

An idle pastime becomes a record holder in Boys Town, Nebraska.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

A unique attraction and museum dedicated to exploring iconic roadside structures.

The only remaining collection of flayed figures made by French "madman" Honoré Fragonard.

Terrifying derelict military hospital once housed a recuperating Hitler.

World's largest cave was only discovered in 1991, and now offers tours to the public.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

These fantastically named natural pools look like something out of a Scottish myth.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.