Great Barrier Reef, Queensland, Australia by Scott Sporleder. The Great Barrier Reef is the world's largest organically formed structure. I have also been here at the Great Barrier Reef truly a wonder to see. Luv Australia been there twice.
To Sua Ocean Trench in the Lotofaga village on the south coast of Upolu, Samoa. o Sua is a giant hole in Lotofaga that was converted into a swimming pool with water flowing through a lava-tube tunnel. WANT TO GO!