Top 10 Most Mysterious UFO Sightings

From a terrorized town in Brazil to a close encounter by schoolchildren in Zimbabwe, thousands of people all over the world have seen things in the sky that nobody can explain. These incidents may make you want to believe that we're not the only ones in this universe. The truth is out there, and luckily we've put it into the form of a YouTube video. Here are the Top 10 Mysterious UFO Sightings that should make you want to grab your tinfoil hat.