Charlie Riedel / AP
America the beautifulA full moon rises behind downtown St. Louis and the Gateway Arch. The 630-foot-tall stainless steel arch stands as a memorial to westward expansion.
David McNew / Getty Images
America the beautifulSun shines on the 100-foot thick "bathtub ring" of bleached sandstone earlier this year, the result of a six-year drought that has dramatically dropped the reservoir's level. Above are the red Navajo sandstone cliffs of Llewellyn Gulch canyon on Lake Powell near Page, Ariz.