Trivia: In which U.S. state would you find the rose-tinted Painted Dunes?
Nevada
Texas
California
Arizona
The correct answer is California
So why is this answer correct? : Dunes peppered with shades of red, pink, and orange stand out from the otherwise black earth at Lassen Volcanic National Park in northern California. Though they look alien, the painted dunes result from a natural process: They are known as pumice fields, which are formed by layers of oxidized volcanic ash, which turns even more vibrant as it falls onto a hot lava flow.