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

Fire rainbows, a phenomenon that captivates both the eye and the imagination, are a rare sight in the sky. When these ...

Pilots are indeed glorious for flying us non-pilots across the world high in the sky in ... the beautiful and rare rainbow phenomenon? Imagine soaring above a layer of clouds and suddenly ...

Go beyond the ordinary with rainbow mountains—nature’s boldest ... and purples—plus hot springs await tired hikers beneath the Arctic sky. It’s Iceland at its quirkiest.