832-241174 - A representation of a space alien at the UFO Watchtower, a tourist attraction in the San Luis Valley, Hooper, Colorado, USA

832-241158 - Photovoltaic solar collectors at the largest photovoltaic power plant in the US, operated by SunEdison, generates 8.22 megawatts, San Luis Valley, Alamosa, Colorado, USA

832-136113 - A shepherd moves a flock of sheep and a few goats along a highway to a winter pasture in Colorado's San Luis Valley, Manassa, Colorado, USA, America

832-136110 - A shepherd moves a flock of sheep and a few goats along a highway to a winter pasture in Colorado's San Luis Valley, Manassa, Colorado, USA, America

832-136114 - A shepherd moves a flock of sheep and a few goats along a highway to a winter pasture in Colorado's San Luis Valley, Manassa, Colorado, USA, America

832-136112 - A flock of sheep on a winter pasture, San Luis Valley, Manassa, Colorado, USA, America

832-136111 - A shepherd moves a flock of sheep and a few goats along a highway to a winter pasture in Colorado's San Luis Valley, Manassa, Colorado, USA, America

1113-44477 - San Luis Valley, Rocky Mountains, Colorado, USA, North America, America

857-19152 - Engineers, athletes and enthusiasts gather on a lonely road in the San Luis Valley in central Colorado to try to break the speed record for a human powered vehicle. These vehicles are basically very, very aerodynamic bicycles.

857-19146 - Engineers, athletes and enthusiasts gather on a lonely road in the San Luis Valley in central Colorado to try to break the speed record for a human powered vehicle. These vehicles are basically very, very aerodynamic bicycles.

857-19150 - Engineers, athletes and enthusiasts gather on a lonely road in the San Luis Valley in central Colorado to try to break the speed record for a human powered vehicle. These vehicles are basically very, very aerodynamic bicycles.

857-21072 - Great Sand Dunes National Monument in the San Luis Valley, Colorado. The highest sand dunes in North America are found here.

857-19148 - Engineers, athletes and enthusiasts gather on a lonely road in the San Luis Valley in central Colorado to try to break the speed record for a human powered vehicle. These vehicles are basically very, very aerodynamic bicycles.

857-19145 - Engineers, athletes and enthusiasts gather on a lonely road in the San Luis Valley in central Colorado to try to break the speed record for a human powered vehicle. These vehicles are basically very, very aerodynamic bicycles.

857-19149 - Engineers, athletes and enthusiasts gather on a lonely road in the San Luis Valley in central Colorado to try to break the speed record for a human powered vehicle. These vehicles are basically very, very aerodynamic bicycles.

857-19151 - Engineers, athletes and enthusiasts gather on a lonely road in the San Luis Valley in central Colorado to try to break the speed record for a human powered vehicle. These vehicles are basically very, very aerodynamic bicycles.

857-17467 - Great Sand Dunes National Park and Preserve in the San Luis Valley, Colorado

807-54 - Real de Catorce, Sierra Madre Oriental mountains, San Luis Potosi state, Mexico, North America

712-108 - Vallee de San Luis, Trinidad, Cuba, West Indies, Central America

712-2003 - Sugar cane harvest, San Luis valley, Sancti Spiritus province, Cuba, West Indies, Central America

712-110 - Rural landscape of fields in a green valley with palm trees, and hills beyond, San Luis, Trinidad, Cuba, West Indies, Central America

712-1688 - UNESCO World Heritage site, Valley of San Luis, Region of Sancti Spiritus, Cuba, Central America