Smithsonian Institution summary

Washington, D.C., city and capital of the United States of America. It is coextensive with the District of Columbia (the city is often referred to as simply D.C.) and is located on the northern shore of the Potomac River at the river’s navigation head—that is, the transshipment point between

Museum, institution dedicated to preserving and interpreting the primary tangible evidence of humankind and the environment. In its preserving of this primary evidence, the museum differs markedly from the library, with which it has often been compared, for the items housed in a museum are mainly

John Quincy Adams was the sixth president of the United States (1825–29) and eldest son of President John Adams. In his prepresidential years he was one of America’s greatest diplomats (formulating, among other things, what came to be called the Monroe Doctrine), and in his postpresidential years