Galápagos Lagoon

Photograph by Bobby Haas

As startling as a bright-blue eye, a central lagoon peers out from Rocas Baimbridgen in Ecuador's Galápagos Islands. The stark, rocky island teems with life at times—the brackish lagoon waters are favored by flamingos.

(For more pictures of the amazing colors of our world, buy the National Geographic book Life in Color.)