Long before the first airplane took flight, when nothing but birds should have been in the skies, the early residents of the United States witnessed bizarre unidentified flying objects of all sizes, shapes, and descriptions. They encountered strange beings that clearly were not human, including "Men in Black" and possibly time travelers. They saw huge motherships, underwater UFOs, and other unexplainable wonders. Some of America's most famous early historical figures, including Thomas Jeff...

Long before the first airplane took flight, when nothing but birds should have been in the skies, the early residents of the United States witnessed bizarre unidentified flying objects of all sizes, shapes, and descriptions. They encountered strange beings that clearly were not human, including "Men in Black" and possibly time travelers. They saw huge motherships, underwater UFOs, and other unexplainable wonders. Some of America's most famous early historical figures, including Thomas Jeff...