Description: The National Postal Museum was established by an agreement between the Smithsonian and the United States Postal Service in 1990. However, its extensive collections of stamps and other philatelic materials date back to 1886. The Postal Museum is housed in the lower level of the former Washington City Post Office Building, which was built in 1914. The postcards in this gallery
Description: "It is five o’clock, when the Megatherium takes its prey, that the most interesting characters of the animal are seen. Then it roars with delight and makes up for the hard work of the day by much fun and conduction." Folks at Home, February 17, 1863, Robert Kennicott[edan-image:id=siris_sic_5844,size=250,left]Not only is this beast intriguing as a specimen, but it is the