San Diego's most historic and haunted home.

The site of murders and Satanic cult gatherings.

Once housing children next to hardened criminals this historic jail once displayed Ned Kelly's skull until it was stolen.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

The first museum in the world devoted to sexual gadgetry.

A clear example of the process of erosion in action.

The word 'wunderkammer' translates as 'wonder-chamber'. This Wunderkammer is both a museum and a retail store.

After much poking and prodding, this island is decidedly not a magnetic anomaly, but it sure is pretty.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

A ruined castle has more than its fair share of legends and ghost stories.

Fascinating town where normal life interfaces with the occult.

The metal frame is all that's left of a wicker sculpture which once towered over the M5 motorway.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The oldest inn in England served brew to the crusaders.

A cave network located at the southernmost tip of mainland Greece was once believed to be an entrance to Hades.

What once sat in the world’s spotlight is today a largely disused ghost complex.

Where commuters walk through remnants of an ancient Greek necropolis.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Monasteries on rock pillars, once accessible only by frayed ropes.

Ancient Greek oracle of the dead.

The hallucinogenic center of the ancient world.

Children's playground hidden under a big pink and blue cap.

These "bridges" help confused bats cross the road.