Crater Lake, located in southern-central Oregon, is famous for its stunning deep blue color and exceptional water clarity.

Some picturesque blue lakes may not be so blue in the future, thanks to climate change. In the first global tally of lake color, researchers estimate that roughly one-third of Earth’s lakes are ...

Blue, green orange, brown − water comes in many colors, depending on what’s in it. ... Crater Lake in Oregon looks brilliant blue because its water comes from melting snow and is extremely pure.