The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

The legendary building that needed ghostly approval before being built.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

World's largest collection of serial killer artwork and other macabre exhibits.

A 140-year-old castle with underground caves hidden in San Francisco.

The remains of a ruined mansion memorialize the 1906 earthquake.

The strange behavior of a tween led to allegations of witchcraft and a curse being placed on anybody within earshot.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

A watering hole from the late 1800s in the heart of the Campsie Fells.

Once considered one of the country's finest motte and bailey castles.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A beachside cave filled with Bronze Age metalwork, pottery, and human remains.

This stone was once used by druids to determine a person's innocence or guilt.

A mysterious ruin shrouded in more folklore than fact.

This townhouse was once the original home of the Scottish Football Association.

Water-themed sculptures guard this unusually square structure.

A humble ancient well where Scottish knight, Sir William Wallace, took his final drink.

This former World War II artillery defense site was built to guard the industrial city of Glasgow.

The remains of an anti-aircraft battery from World War II look out over Glasgow.

This ancient holy well is older than much of the city that surrounds it.