Mysteries of the Abandoned: Hidden America America's Hidden Training Camp (Season 4, Episode 9)
TV Episode | History

Primary photo for America's Hidden Training Camp

Mysteries of the Abandoned: Hidden America

America's Hidden Training Camp (Season 4, Episode 9)

TV Episode | History

Sites included the Unity House Resort in Bushkill, Pennsylvania; Bishop Castle in Rye, Colorado; Camp Claiborne in Forest Hill, Louisiana and a hidden speakeasy in a Detroit, Michigan home.

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Updated Aug 6, 2025

Release date

Aug 6, 2025 (United States)

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Cast	+ Add Cast
21 cast members

Name	Known for
Katherine Alcock Self / Self - author Self / Self - author See fewer	Mysteries of the Abandoned: Hidden America (2022)
Rob Bell Self / Self - engineer Self / Self - engineer See fewer	Rob Bell's Bridges That Built London (2021)
Daniel Bishop self / Jim's son self / Jim's son See fewer	Mysteries of the Abandoned: Hidden America (2022)
Jim Bishop self / Bishop Castle owner and builder self / Bishop Castle owner and builder See fewer	Mysteries of the Abandoned: Hidden America (2022)
Arthur Bolger self / Unity House former general manager self / Unity House former general manager See fewer	Mysteries of the Abandoned: Hidden America (2022)
Kenya Davis-Hayes Self / Self - historian (as Dr. Kenya Davis-Hayes) Self / Self - historian (as Dr. Kenya Davis-Hayes) See fewer	Mysteries of the Abandoned: Hidden America (2022)
Kimberly Holt Self / Self - speakeasy owner Self / Self - speakeasy owner See fewer	Mysteries of the Abandoned: Hidden America (2022)
Corina Kwami Self / Self - infrastructure advisor (as Dr. Corina Kwami) Self / Self - infrastructure advisor (as Dr. Corina Kwami) See fewer	Mysteries of the Abandoned: Hidden America (2022)
Lisa Lewis self / Kisatchie National Forest self / Kisatchie National Forest See fewer	Mysteries of the Abandoned: Hidden America (2022)
Mickey Lyons self / Detroit historian self / Detroit historian See fewer	Mysteries of the Abandoned: Hidden America (2022)
George C. Marshall Self (archive footage) Self (archive footage) See fewer	Victory at Sea (1952)
Hadley Meares Self / Self - historical journalist Self / Self - historical journalist See fewer	Our Most Beautiful Love Stories (Are the Ones We Scripted) (2011)
James Meigs Self / Self - author and journalist (as Jim Meigs) Self / Self - author and journalist (as Jim Meigs) See fewer	Popular Mechanics: Saturday Mechanic (2012)
Michele Mitchell Self / Self - historian (as Professor Michele Mitchell) Self / Self - historian (as Professor Michele Mitchell) See fewer	Mysteries of the Abandoned: Hidden America (2022)
Martin K.A. Morgan Self / Self - author and historian Self / Self - author and historian See fewer	Call of Duty: WWII (2017)
Doug Rhodes self / Louisiana historian self / Louisiana historian See fewer	Mysteries of the Abandoned: Hidden America (2022)
Linda Rodriguez-McRobbie Self / Self - historian Self / Self - historian See fewer	mental_floss: The List Show (2013)
Franklin D. Roosevelt Self (archive footage) Self (archive footage) See fewer	The President's Mystery (1936)
Savannah Rose self / Unity House resort event planner / property owner self / Unity House resort event planner / property owner See fewer	Mysteries of the Abandoned: Hidden America (2022)
Kyle A. Thomas Self / Self - performance historian (as Dr. Kyle A. Thomas) Self / Self - performance historian (as Dr. Kyle A. Thomas) See fewer	Holly (II) (2015)
Alvin C. York Self (as Sergeant Alvin York) Self (as Sergeant Alvin York) See fewer	Sergeant York (1941)