Watch: This photographer's footage of a double rainbow, as seen from a trail in the Golden Gate National Recreation Area, ...

Periods of rain alternated with sunshine in Santa Cruz Monday to provide optimal conditions for rainbows, and multiple prismatic feasts were present locally during the day.

Rainbows are a common sight to see across the globe and are formed when the suns rays come in contact with water droplets.

Throughout history, rainbows have been seen as a bridge between heaven and earth, often considered portals to higher realms. They are believed to carry a certain spiritual energy that can be ...

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 Hawaii ...