Pink Lake Hillier in Australia
Lake Hillier is a pink-colored lake on Middle Island, the largest of the islands and islets that make up the Recherche Archipelago, Western Australia. The lake is about 600 meters long, and is surrounded by a rim of sand and a dense woodland of paperbark and eucalyptus trees. Unlike other pink lakes in the world like the one in Retba and the salt ponds at San Francisco Bay, the pink color of Lake Hillier has not been decisively proved, although it is speculated that the color could arise from a dye created by the organisms Dunaliella salina and Halobacteria. The colour is permanent, and does not alter when the water is taken in a container.
Laguna Colorada, Bolivia
Laguna Colorada is a shallow salt lake in the southwest of the altiplano of Bolivia, within Eduardo Avaroa Andean Fauna National Reserve and close to the border with Chile. Also is known as the red lagoon. The amazing bloody red coloration is caused by red sediments and algae in the water. The lake is found on the Altiplano plateau, in the Andes mountain range, which is seen in the horizon. The lake also attracts the James’, Chilean and Andean flamingos, the latter being the rarest flamingo species in the world.
Grand Prismatic Spring
Located in the Midway Geyser Basin, the Grand Prismatic Spring is the largest hot spring in the United States, and the third largest in the world after Frying Pan Lake in New Zealand and Boiling Lake in Dominica. The vivid colors in the spring are the result of pigmented bacteria in the microbial mats that grow around the edges of the mineral-rich water. In the summer, the mats tend to be orange and red, whereas in the winter the mats are usually dark green. The center of the pool is sterile due to extreme heat. The lake have 370 feet in diameter and 121 feet deep.
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