Hexagonal pattern on the top surface of basalt columns at Mammoth Lake, Devil\'s Postpile National Monument, California, USA

above aerial america at backdrop backdrops background backgrounds basalt california columns day daylight daytime devils during entire exterior exteriors fill filling fills formation formations from geologic geological geologically geology hexagonal image image filling lake mammoth monument national nature nobody north of on outdoor pattern perspective perspectives photo photograph photos picture postpile rock rocks rocky shot shots states stone stony structure structures surface surfaces textured the top topview topviews united usa view views