Photograph by Kent E. Biggs The Heart Reef in the Great Barrier Reef of the Whitsundays, Australia, is composed of coral that naturally grew in the shape of a heart. Photograph by Dukas ...

Evegreen Editor Rachael Thompson travelled to the world's largest coral reef system for a once-in-a-lifetime experience.

Heart Reef in the Whitsundays region of the Great Barrier Reef.