Yesterday, I went on a day long tour of early aviation artifacts and sites located in the Washington DC area organized by Smithsonian Associates ( link to tour ) The tour was lead by Paul Glenshaw . Paul was acknowledged for his help by David McCullough in his book :" The Wright Brothers ", a book I read in preparation of this tour. We first visited the National Air and Space Museum to view the early Wright gliders, and of course,the 1903 Wright Flyer. We also saw Lilienthal's early glider, and the Langley Aerodrome. #5 . This aircraft was flown successfully unmanned near my home, off of Chopawamsic Island ( map ) itself just off Quantico Marine Base. The next visit was the Smithsonian Castle. The garden there was the site of Professor Langley's construction of the Aerodrome. ' Afterwards we visited Haines Point , site of the unsuccessful attempt to fly the powered Aerodrome by pilot Charles Manly. Next was ...