Two 2,500-year-old Phoenician boats found on the coast of Spain, giving incredible insight into the ancient maritime traders.

Man-made cave with enigmatic carvings, some say made by the Knights Templar themselves.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

Huge otherworldly domed rocks on the shore of a deadly lake.

Not quite the menace it once was, this monster still has some chops.

Flaming barrels of tar race through these village streets on Bonfire Night, a tradition that dates back centuries.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

One of the bloodiest and most important battles in Japanese history is recreated with kitschy concrete statues.

The most powerful waterfall in all of Europe.

Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

A cave interior in the shape of the ancient rhinoceros, created by lava cooling around its carcass.

Deep in a Polish forest, this collection of Iron Age megaliths still holds onto many of its ancient secrets.

Hidden in the hills is a mysterious stone structure, known only to a few.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.

A natural wonder in south Denmark.

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

The final resting place of New Orleans' most famous voodoo priestess.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

This natural crater along the coast of Jersey may take its name from the devil statues who have watched over it.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.

A motley, fantastical agglomeration of unlikely houseboats along the Shoreham-by-Sea riverbank.

The scant remains of an expansive indigenous civilization can be seen at this Arkansas state park.