History Detectives: Civil War-Era Submarine The Place: New Orleans, Louisiana In Louisiana's bustling French Quarter sits a surprising remnant of American warfare - a Civil War-era submarine. Salvaged from the depths of a New Orleans lake, the origin of this vessel remains a murky mystery. Now a New Orleans man wants to know if his great-grandfather helped build the iron-clad wonder. Red Cloud's Peace Pipe? The Place: Livermore, California Was this peace pipe given to a Californian woman's ancestor by the famous warrior Chief Red Cloud? The ancestor was the Indian agent who moved the Oglala Lakota to a Reservation in South Dakota. Would Chief Red Cloud have given such a gift to a U.S. government official? The History Detectives go back to the turbulent days of the 1870s and a battle of wills and political scandal that reached the highest levels of government. Thomas Edison's House? The Place: Union, New Jersey This strange house is said to have been designed and built by Thomas Edison. Did the inventor of the electric light, the motion picture camera and wireless telegraphy also try to re-invent the way houses were built? Gwen Wright investigates and discovers a surprising story of technological innovation, failed inventions and an approach to housing that was 30 years ahead of its time.

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Documentary, History, Mystery