This was the second largest mercury mine in the world and one of the oldest preserved mine complexes in Europe.

Apparently, Hell has waterfalls in Slovenia.

Strange rumors surround the artist who created these solemn metal guard dogs.

The "dragon babies" of southeastern Europe.

A miniature train-ride through Slovenia's largest cave system.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

This massive subterranean fissure is known as the "underground Grand Canyon."

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

This strange example of the Egyptian Revival architecture trend now holds Mardi Gras floats.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

This float factory takes the mask off of Mardi Gras and lets visitors see where the magic happens.

Legend says a primate-like cryptid prowls this otherworldy sliver of the Louisiana bayou.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

A hands-off space for graffiti artists to hone and display their skills.

Famously misunderstood wonder of the ancient world

A church of bones, decorated with 40,000 human skeletons.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

The rocks in this arid basin leave trails of movement behind them.

One part local history, 99 parts gruesome haunted house.

The fairy tale castle of the "fairy-tale king."