Online guide of laws and other related information for all of the nations of the world provided by the Library of Congress.

"The World Factbook provides information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 260+ world entities [provides a statistical "snapshot" of countries, protectorates, colonies, states, etc.]. Our Reference tab includes: maps of the major world regions, as well as Flags of the World, a Physical Map of the World, a Political Map of the World, and a Standard Time Zones of the World map." Continuously updated.

The USGS coordinated the work of more than 20 Federal agencies in producing the latest edition of the National Atlas of the United States®.