A strange formation is seen in the sky over the suburbs of Tinley Park. The lights return for a second time almost to the date the following year. These are some of the most corroborated sightings in the history of the United States.
Washington state holds the nation's highest rates of UFO sightings per capita. With so many strange sightings, our investigators turn their cameras to the sky to see whether they too can capture the flight path of something unknown.