Colorado is notable for its diverse geography, ranging from alpine mountains, arid plains and deserts with huge sand dunes, deep canyons, sandstone and granite rock formations, rivers, lakes, and lush forests. The borders of Colorado were originally defined to be lines of latitude and longitude, making its shape a latitude-longitude* quadrangle which stretches from 37°N to 41°N latitude and from 102°03'W to 109°03'W longitude (25°W to 32°W from the Washington Meridian).[12] Colorado, Wyoming and Utah are the only states which have boundaries defined solely by lines of latitude and longitude