The Great Barrier Reef, Australia

http://www.reefed.edu.au/
The Great Barrier Reef World Heritage Area (GBRWHA) is one of the most spectacular natural wonders on the planet. It is managed by the Great Barrier Reef Marine Park Authority (GBRMPA). Their education website is extensive, with it’s own search engine. While designed for the curriculum of Australian schools, it offers great education resources to all students and teachers interested in the Great Barrier Reef.