i want to swim here!! Senegal's Lake Retba, or as the French refer to it Lac Rose, is pinker than any milkshake. Experts say the lake gives off its pink hue due to cyanobacteria, a harmless halophilic bacteria found in the water. Lake Retba has a high salt content, much like that of the Dead Sea, allowing people to float effortlessly in the massive pink water.
Australia's Amazing Bioluminescent Lake. An unusually high concentration of Noctiluca scintillans, a bioluminescent microorganism, turned the water a bright, glowing, ethereal blue. (i did not type the description. this is repinned from somebody else.)