territorial waters included within a distance of 12 nautical miles of the coasts of the United States and its territories
the world's largest medical library
the constitution written at the Constitutional Convention in Philadelphia in 1787 and subsequently ratified by the original thirteen states
the executive and legislative and judicial branches of the federal government of the United States
a defense laboratory of the Criminal Investigation Command; the United States Army's primary forensic laboratory in support of criminal intelligence
the upper house of the United States Congress
the lower legislative house of the United States Congress
the mint that manufactures and distributes United States coins for circulation through Federal Reserve Banks; processes gold and silver bullion
the executive and legislative and judicial branches of the federal government of the United States
North American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776