Description: Established in 1890, the Smithsonian Astrophysical Observatory was one of the earliest observatories to practice the "new astronomy," or astrophysics. Originally located behind the Smithsonian Institution Building, the Castle, in 1955, the Observatory moved to Cambridge, Massachusetts. Today, the Harvard-Smithsonian Center for Astrophysics has observing stations in Arizona,
Description: The National Zoological Park was founded in 1889 to preserve, teach, and conduct research about the animal world. The zoo opened in Rock Creek Park, Washington, DC in 1891, on a site designed by landscape architect Frederick Law Olmsted, and has been home to giant pandas, Asian elephants, and Smokey the Bear. History of the National Zoological ParkAdditional Historic Images of