In our last list of strange aircraft, we stuck to covering the weirdest jets to take to the sky, but there are plenty of ...

Decades before Roswell, Americans were already reporting strange flying machines in the sky—some even claimed to see passengers. These chilling 1800s encounters are still unexplained. Man's dishwasher ...

Ch. 1. Evolution of the two-surface flying machine -- ch. 2. Theory development and use -- ch. 3. Mechanical bird action -- ch. 4. Various forms of flying machines -- ch. 5. Constructing a gliding ...