We all know rainbows-those colorful arcs that appear after rain when sunlight bends through water droplets. But have you ever ...

However, as the saying goes, every cloud has a silver lining. As the rain subsided, a breathtaking double rainbow appeared, arching gracefully over the infield, where hundreds of RVs were parked.

So when the sun is behind you and the rain in front of you, you see a rainbow of colours reflected back from inside the raindrops. As well as the lovely colours, rainbows also have a unique shape.

Hawaii's regular sunshine, short rain showers and clean air come together to create some of the planet's best conditions for viewing rainbows. They're such a frequent sight that a University of ...