Paranal Observatory is located in the Atacama Desert of Chile and is known for its extremely dry and clear skies, making it an ideal location for astronomical observations.

Keck Observatory is located on the summit of Mauna Kea in Hawaii and is home to the Keck I and Keck II telescopes, which are two of the largest optical telescopes in the world.

Gran Telescopio Canarias is located in the Canary Islands of Spain and is home to the Gran Telescopio Canarias, the largest optical telescope in the world.

Atacama Large Millimeter Array is located in the Atacama Desert of Chile and is home to the Atacama Large Millimeter Array (ALMA), a radio telescope array that is used to study the universe at millimeter wavelengths.

Very Large Telescope is located in the Atacama Desert of Chile and is home to the Very Large Telescope (VLT), a set of four 8.2-meter telescopes that are used to study the universe in visible and infrared light.

Subaru Telescope is located in the Atacama Desert of Chile and is home to the Subaru Telescope, an 8.2-meter optical and infrared telescope that is used to study the universe in visible and infrared light.

Gemini South is located in the Atacama Desert of Chile and is home to the Gemini South telescope, an 8-meter optical and infrared telescope that is used to study the universe in visible and infrared light.

Cerro Tololo Inter-American Observatory is located in the Atacama Desert of Chile and is home to a collection of telescopes used for astronomical research, including the 4-meter Blanco Telescope and the 1.5-meter Swope Telescope.

Las Campanas Observatory is located in the Atacama Desert of Chile and is home to a collection of telescopes used for astronomical research, including the 6.5-meter Magellan Telescopes and the 2.5-meter du Pont Telescope.

European Southern Observatory is located in the Atacama Desert of Chile and is home to a collection of telescopes used for astronomical research, including the Very Large Telescope and the Atacama Large Millimeter Array.

National Optical Astronomy Observatory is located in the Atacama Desert of Chile and is home to a collection of telescopes used for astronomical research, including the 4-meter Mayall Telescope and the 2.1-meter Kitt Peak National Observatory.

Carnegie Institution for Science is located in the Atacama Desert of Chile and is home to a collection of telescopes used for astronomical research, including the 6.5-meter Magellan Telescopes and the 2.5-meter du Pont Telescope.

Smithsonian Astrophysical Observatory is located in the Atacama Desert of Chile and is home to a collection of telescopes used for astronomical research, including the 6.5-meter Magellan Telescopes and the 2.5-meter du Pont Telescope.

University of Arizona is located in the Atacama Desert of Chile and is home to a collection of telescopes used for astronomical research, including the 6.5-meter Magellan Telescopes and the 2.5-meter du Pont Telescope.

University of California is located in the Atacama Desert of Chile and is home to a collection of telescopes used for astronomical research, including the 6.5-meter Magellan Telescopes and the 2.5-meter du Pont Telescope.