Every year, hundreds of UFO sightings are reported throughout the world. Thousands of images of UFOs have been captured in photographs and on video, but very little physical evidence of UFO visitations has been collected. In 1957, several UFO fragments of a UFO crash were collected in Ubatuba, Brazil. In 1966, a disk-shaped object that landed in Horseshoe Lagoon in Australia left behind a circular impression. That same year, a camp site at Roaring River, Missouri, is reputed to have been ...