Some believe while others don't. But there's been enough hype around these famous UFO sightings to make almost anyone question their doubts. Check out which famous UFO sightings we consider to be the top 10.

Disagree with our ranking? Then cast your vote at the end and tell us which you think should be number one.

Spoiler! If you typically read the last page of a book first, then go ahead and jump to the end -- we don't mind!