The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

Remnants of a storybook amusement park hidden behind a strip mall.

A priceless collection of the Nation's cryptologic history.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

An abandoned castle owned and ignored by Masons carries a cursed history.

An archival collection of over 2,200 case studies which includes human brain specimens and tumor specimens.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

New Preston and Kent, Connecticut - where Friday the 13th, Part 2 was filmed.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

The "possessed" house that inspired "The Haunting in Connecticut" book and movie.