An eerie prison with a dark past that became the setting of an iconic Hollywood movie and alien monoliths on a strange and remote island are deserted engineering projects. Stories: 1) Ohio State Reformatory, Mansfield, Ohio, USA; 2) Batterie Mirus, Guernsey, UK; 3) Jussarö Island, Raseborg, Finland; 4) Orford Ness, Suffolk, UK
| Name | Type | Role | |
|---|---|---|---|
| Luke Wales | Producer | ||
| Tom Williams | Producer | ||
| Paul Bourgaize | Guest Star | Self - Local Expert and Preservationist, Guernsey | |
| Ron Puff | Guest Star | Self - Building Superintendant, Shawshank | |
| James S. Corum | Guest Star | Self - Military Historian | |
| Rob Bell | Guest Star | Self - Engineer and Adventurer | |
| Shini Somara | Guest Star | Self - Engineer | |
| Dominic Selwood | Guest Star | Self - Historian and Author | |
| Lynette Nusbacher | Guest Star | Self - Military Historian | |
| Göran Wickström | Guest Star | Self - Former Resident, Jussarö Island | |
| Jim Meigs | Guest Star | Self - Author and Journalist | |
| Dougal Jerram | Guest Star | Self - Earth Scientist | |
| Grant Lohoar | Guest Star | Self - Site Manager, Orford Ness | |
| Andrew Gough | Guest Star | Self - Historian and Author | |
| Bruce Burgess | Executive Producer | ||
| Henry Scott | Executive Producer | ||
| Neil Laird | Executive Producer | for SCIENCE CHANNEL | |
| Luke Wales | Director | ||
| Tom Williams | Director |