For the past 50 years Paulding, Michigan has been at center of a controversy involving mysterious light on the horizon. Using everything from a high-powered laser to a light aircraft, the team investigates what has caused thousands of onlookers to ask, "What is that?" While in San Antonio, Texas a lonely railroad crossing serves as the backdrop for a 70-year debate where the road slopes up to the tracks, yet parked cars seem to roll uphill over the tracks.
—Anonymous