An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

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

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

This unique shop is full of memento mori art, antique medical equipment, secret society paraphernalia, and historical relics.

This macabre shop, filled with art, oddities, and taxidermy is hidden in the heart of the French Quarter.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

These spooky and unusual stone formations create an underworldly landscape.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

A poignant museum dedicated to the history of the Dutch resistance against Nazi occupation

This basement museum explores the art and artistry of fascism.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The ruins of this monumental city founded by the first Roman Emperor are strangely overlooked by most travelers.

An unusual resting place built into the hill with an amazing view of Lake Como.

A medieval, mosaic-lined baptistry built by a heretical Christian sect.

An incredible mosaic-lined monument said to have held the remains of an ancient Roman empress.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

Psychoanalyst Carl Jung reported a paranormal experience after visiting this mosaic-lined Roman baptistry.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

Caves famous for the dragon-slaying saint who lived there.

A Swiss amusement park entirely dedicated to the theory of ancient astronauts.

A historic observatory precariously perched at the "Top of Europe."