Providing Support for PBS.org

Extras

Video thumbnail: History Detectives Manhattan Project Patent

History Detectives

Manhattan Project Patent

Could this drawing have been part of America's secret plans to fuel the atomic bomb?

Manhattan Project Patent

Video thumbnail: History Detectives Cemetery Alarm

History Detectives

Cemetery Alarm

Was this explosive device used to stop a morbid black market trade?

Cemetery Alarm

Video thumbnail: History Detectives Galleon Shipwreck

History Detectives

Galleon Shipwreck

Is this a piece of treasure from a Spanish galleon washed up on an Oregon beach?

Galleon Shipwreck

Support for PBS.org provided by: