The healing properties of this well attracted royals and commoners throughout the Middle Ages.

Legend says this rock was once a chopping block for public executions.

Hidden in Carnfunnock Country Park is a lasting testament to the Normans who once settled in the region.

Nestled among the living residents is the final resting place of an apothecary plague victim.

Surrounded by industrial sprawl, a small monument marks the site of William Penn's first landing in Pennsylvania.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

A remote gravestone on the moor marks the spot where a teacher's body was found under mysterious circumstances that remain inexplicable.

A mysterious medieval monument said to mark the final resting place of Robin Hood’s henchman.

The dramatic remains of an abandoned farmhouse sit high on the edge of a remote hillside.

The often-overlooked ruins of one of the first buildings designed by famous landscape architect Frederick Olmsted.

Britain's tallest megalith towers over the cemetery of a quiet English village.

This tiny structure was built by the creator of the Brooklyn Bridge.

For over 500 years this timbered alms house has provided a home for elderly residents of Coventry.

Deceased nuns were placed on stone chairs to decompose, while the surviving nuns prayed near the lifeless bodies.

This dam in the woods, built by Henry Ford with only manpower and oxen, holds no water and serves no purpose.

Golden plates containing what would become the Book of Mormon were believed to be buried on this New York hillside.

The main gates have been locked since 1745 and will remain so until the Stuart Dynasty returns to the throne.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A mysterious bridge over a sunken Roman road.

The final resting place for the remains of 143 Habsburg royalty.

The site of the first "historically true" UFO encounter in the U.S.

His body was found mysteriously preserved in a Swedish mine over 40 years after his initial disappearance.

The tombstone of the founder of the lost town of Ogletown is now stuck inside a traffic median.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.