A double sunset rainbow in McFall, Missouri, spanning a lone tree: Remember spotting a rainbow as a child and feeling the sudden urge to jump up and down, point and shout: "Look, a rainbow!" Well, the following pictures of semicircular, double or sunset rainbows might make you do just that. In any case, if this were a rainbow beauty pageant, they鈥檇 all be perfect tens. So heed this warning that extreme beauty will follow and scroll with care!