Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

The world's only museum devoted to the wonders of fluorescence.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

On the highest peak in the Harz Mountains, science and the occult faced off in a failed attempt to turn a goat into a boy.

A market for witches is hidden within a train station.

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

A peculiar family mausoleum built by a German nobleman captivated by the occult.

In 1943 the British military took control of this village, telling residents they had to leave temporarily. The villagers were never allowed to return.

A perilous medieval road leading right into the sea.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

The inscribed stone at Kilnasaggart is a remnant from nearly a millennium ago.

The atmospheric road was never meant to be so creepy.

Northern Ireland's Brobdingnagian stepping stones.

The lake that fills and empties itself at random.

The ruins of a once-grand mansion in Northern Ireland are now thought to be haunted.

A Scottish manor with a history of mysterious fires, magic, and eccentric tales

Scotland's oldest medieval bridge is also among the last reminders of early medieval Aberdeen.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

Fascinating town where normal life interfaces with the occult.

The 3.8 billion-year-old rock proves that tectonic plates may have been shifting longer than we thought.

A three-centuries-old crypt in the foothills of an old plantation.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

The remains of an ancient settlement in one of the oldest archeological sites in South America.