Throughout history people have reported seeing spaceships covered with glowing lights disc-shapes flying saucers and even aliens who travelled within them. As far as we know none of these unidentified flying objects or UFOs have ever been recovered. Yet some have left startling clues behind when they have struck the ground. In this book you will visit 11 of the eeriest UFO crash sites. Among them are the scene of an explosion that knocked down 80 million trees a hillside strewn with otherworldly artifacts and a spot where the body of an alien pilot is said to have been found.