20 Out-Worldly Places On Earth That Look So Unrealistic, But They Aren't

Grand Prismatic Spring, Wyoming, USA: As its name suggests, the largest hot spring in the United States is essentially a rainbow ring of vibrant colors. Extremely hot water travels 121 feet from a crack in the Earth to reach the surface of the spring. The third largest spring in the world, the Grand Prismatic is bigger than a football field at 370 feet in diameter. A gridiron is 360 feet long and 160 feet wide.