When volcanic rock and large iron deposits collide with the eroding powers of the ocean, red sand beaches are born. There are three major red sand beaches in the world: Kokkini Beach in Greece, Kaihalulu Beach in Hawaii, and one in the Galapagos.
Island of Molokini - natural star and crescent - between Maui and Kahoolawe, Hawaii This is not a real picture! I was just at Molokini in Hawaii this past summer on my honeymoon. The half moon island exists but the star does not.
Rainbow Eucalyptus Tree - Patches of outer bark are shed annually at different times, showing a bright green inner bark. This then darkens and matures to give blue, purple, orange and then maroon tones.