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Chamberlin Observatory in the Observatory park, Denver, Colorado
Aerial shot of the Colorado State Capitol building in Denver on a cold and clear morning in late Fall.
The view from the roof of one of the telescope domes at the Griffith Observatory
Mount Evans, Clear Creek County, Colorado, USA: Meyer–Womble Observatory (MWO) astronomical observatory -  property of the University of Denver. Located near the summit of Mount Evans in the Arapaho National Forest, at an elevation of 4,326 meters (14,193 ft), it is the third-highest optical/infrared observatory in the world.
Historic Telescope at Lowell Observatory as seen from below
Low angle view of Colorado Capitol dome and US and Colorado flags.
Astronomical equipment at the McDonald observatory, in the Davis mountains of west Texas.
a planets space exploration telescope observatory sky science blue sky clear scope searching extraterrestrial alien laboratory
Chamberlin Observatory in the Observatory park, Denver, Colorado
The Colorado State Capitol building exterior in downtown Denver Colorado USA.
The Observatory in the center of Santiago, Chile, South America
Germany, Potsdam, Wissenschaftspark Potsdam, June 03, 2025 - Historical Observatory in Potsdam with dome roof in sunshine
Dome housing the historical Hooker 100-inch telescope (completed in 1917); Mt Wilson, San Gabriel mountains, Los Angeles county, California
Observatory on a sunny day in front of a blue sky with clouds
Observatory, 3D rendering isolated on white background
Mount Evans, Clear Creek County, Colorado, USA: Meyer–Womble Observatory (MWO) astronomical observatory -  property of the University of Denver. Located near the summit of Mount Evans in the Arapaho National Forest, at an elevation of 4,326 meters (14,193 ft), it is the third-highest optical/infrared observatory in the world.
Rozhen astronomical observatory under the night sky stars. Blue sky with hundreds of stars of the Milky way. Observatory in a pine trees forest in the mountain. Vignetting.
Astronomical equipment at the McDonald observatory, in the Davis mountains of west Texas.
Los Angeles, California - December 14, 2024: Close-up view of the open dome at Griffith Observatory, showcasing its architectural design under a vibrant blue sky.
The Tortugas Mountain Observatory is an astronomical observatory owned and operated by New Mexico State University.  It was built in 1963 to observe the planets.  Regular use of the observatory ceased around 1999 but the equipment was never dismantled.  In 2010 efforts were made to reestablish the observatory.  As of 2011 the work was still on-going.  The observatory is located on Tortugas Mountain near Las Cruces, New Mexico, USA.
Astronomical Observatory Telescope at beautiful sunset or sunrise. Armenia, Byurakan
Large optical telescope in Crimean Astrophysical Observatory
Nice, France - November 9 2019: Astronomical Observatory dome on Mount Gros
Mount Evans, Clear Creek County, Colorado, USA: Ruins of Mount Evans Crest House and the Meyer–Womble Observatory (MWO) astronomical observatory - The crest house was completed in 1941 and destroyed by a fire in 1979. Designed by the architect Edwin A. Francis for the German national Justus 'Gus' Roehling. Terminus of the Mount Evans Scenic Byway - Mount Evans is the highest and most famous mountain in the Front Range, a mountain range of the Rocky Mountains. At 4,350 meters (14,264 feet) in height, it is one of the 54 so-called 'Fourteeners' in Colorado, i.e. the peaks over 14,000 feet in height. Of these, it is the closest to Denver
Sunset and silver dome of the Bonsecours Building, built in 1847, in Old Montreal Canada. Briefly the Parliament building and city hall in the 19th Century, now a market for over 100 years.
The dome of the Colorado State Capitol in Denver Colorado USA.
Observatory on a sunny day in front of a blue sky with clouds
Detail of the truss architecture of the round-planned observation tower - Detail view
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