Kitt Peak National Observatory, Arizona, United States of America, North America

The McMath Solar Telescope, Kitt Peak National Observatory, Arizona, United States of America, North America

Kitt Peak National Observatory, Arizona, United States of America, North America

Sunrise across Badwater Basin, Telescope Peak from Dante's View in Death Valley National Park, California, United States of America, North America

One of the 27 antennas of the Very Large Array (VLA) radio telescope complex in New Mexico (with others in the distance at lower right) illuminated by moonlight, on December 13, 2013, peak night for the Geminid meteor shower. A single exposure of 30 seconds with the Rokinon 14mm lens at f/2.8 and Canon 5D MkII at ISO 800. Orion is rising a lower centre. The Moon is the bright object at upper right. The Pleiades and Hyades are above centre.

View of Vicenza from the lookout point on Monte Berico, Vicenza, Veneto, Italy.

Observatory of the Roque de los Muchachos at sunset, Parque Nacional de la Caldera de Taburiente, La Palma, Canary Islands, Spain, Europe

Mauna Kea Observatory, Subaru Telescope, Keck Observatory and Infrared Telescope Facility, Mauna Kea Ice Age Natural Area Reserve, Big Island, Hawaii, USA, North America

USA, United States of America, Arizona: Kitt Peak National Observatory south of Tucson.

Observatory in front of the summit of Mount Teide, Tenerife

Tourists at the summit station of Nebelhorn Mountain, Allgaeuer Alps, Bavaria, Germany, Europe

A Road sign on CA 178 between Trona and Death Valley National Park with snow covered Telescope Peak (11049 ft, 3369 m) in the background in Panamint Valley, California on february 15, 2004. Although Death Valley is considered the hottest place on earth some summits in the park receive few feet of snow every winter.