See photos from National Geographic Traveler's World in Focus photo contest. Submit your photos and enter for the chance to win trips, workshops, and gear.
Find out how students around the world get a unique opportunity to document and photograph their communities and environment with National Geographic Photo Camp.
Reflected on the Arctic's icy waters, framing remote wilderness, or gracing rural midwestern skies, rainbows have captured our imaginations, and been a symbol of hope, for centuries.