Lake Hillier in Western Australia is not one of your run-of-the-mill, dime-a-dozen blue lakes. No, this 600 meter long puddle wants to stand out with its color - it's a pink lake! And since it's next to the Pacific Ocean, people flying over the area can marvel at the contrast between the pink lake and the blue ocean
Scientists don't yet know why Hillier is pink. Theories include the presence of the Dunaliella salina microalgae (producing carotenoids, a pigment found you can find in carrots), the existence of halophilic bacteria in the salt crusts and even the reaction between the salt and the sodium bicarbonate. What we do now is that the lake was discovered in 1802 by navigator and cartographer Matthew Flinders who took samples from the lake and mentioned its existence in his journal.