A historic estate packed with George Washington's heirlooms, and its own nuclear bunker.

A Spiritualist house of worship where believers communicate with the dead in the spirit world.

The resting place of a Civil War celebrity's amputated limb.

Hidden for 165 years inside a building designed by Thomas Jefferson are the remains of what may be America's first educational chemistry lab.

Crumbling Kennedys and a decaying Tecumseh are just some of the haunting remains of one man's cement art trail.

Take an otherworldly journey in a school dedicated to out-of-body experiences.

The grave of a champion Thoroughbred hides within the former presidential estate.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

The author's beautiful and historic home is also a fully functioning goat farm.