| Welcome to the Internet Public Library: Facts about the United States |
| United States Geography and Demographics from the CIA World Fact Book |
| Congress.org: News, Legislation, Issues and Actions, Elections in the U.S. |
| Contacting the While House in Washington, D.C.: News and Features |
| America.gov.: Telling America's Story – Politics, American Life, Foreign Policy, Democracy, Science & Health |
| Information about Cities across the United States: an online resource for state, city, and local information |
| Presidents of the United States |
| The Fifty States: maps and flags, state symbols, regions, history, national landmarks, climate, government, even state games and quizzes |
| United States Climate Page from the National Oceanic and Atmospheric Administration |
| United States Interactive Climate Pages for individual cities |
| Historical Maps of the United States, including early Indian tribes and culture areas |
| Lewis and Clark Expedition/Historical Map – click to enlarge |
| National Historic Sites, Memorials, Military Parks, and Battlefield Maps |
| The National Park Service |
| Top U.S. National Parks: travel guides and reviews |
| U.S. Geography |
| The United Nations |
| U.S. Currency Information and Exchange Rates |
| Universal Currency Converter – From/To calculator |
| World-wide Metric Conversion Calculator: lenth, weight, pressure, volume and temperature |
| World Clock – Time Zones |
| Country Calling Codes: International Telephoning Made Easy |
| United States Hurricanes Information |
| U.S. Visa Policy and Procedures and the U.S. Department of State |
| Websites of U.S. Embassies, Consulates and Diplomatic Missions |
| The National Forest Service |
| USA National Information, Tourist Offices, National Holidays |
| U.S. Time Zones |
| Lonely Planet Guide: USA |
| U.S. Culture and Ethnic Groups |
| U.S. Government and Public Libraries and Databases |
| The Smithsonian Institution, the world's largest museum complex and research organization |
| National Museum of the American Indian |
| Our Earth as Art: view Earth through the eyes of the Landsat-7 satellite |
| American History: official information and services from the U.S. government |
| National Register of Historic Places |
| U.S. Military History |
| The Flag of the United States of America |
| World Health Organization: United States of America |
| World Weather for thousands of cities around the world |
