Geography

United States

General

Elevations and Distances in the United States -- Geological Survey
Encyclopedia Smithsonian: Geography
Geographic Names Information System -- Geological Survey
Information USA
National Parks
Selected Image Gallery -- Geological Survey
Smithsonian Magazine
State of the Land -- Department of Agriculture
Wild and Scenic Rivers
U.S. Gazetteer -- Census Bureau

Maps

Map Gallery -- CIA
National Atlas of the United States
National Mapping Information -- Geological Survey
          Topographic Map Symbols
National Program Mapping Fact Sheets -- Geological Survey
State of the Land -- Department of Agriculture
TIGER Mapping Service: The "Coast to Coast" Digital Map Database
          MapBrowser

Statistics

American FactFinder -- Census Bureau
Economy at a Glance -- Bureau of Labor Statistics
MapStats
Services & Information: Geography -- Census Bureau
Social Statistics Briefing Room: Demographic -- White House
State and County Demographic and Economic Profiles -- Census Bureau
State of the Land -- Department of Agriculture
Statistical Abstract of the United States -- Census Bureau

World

General

Background Information on Countries of the World -- State Department
          Background Notes (by country)
Country Commercial Guides -- State Department
Country Studies -- Library of Congress
Economic and Social Development -- United Nations
Geographic Learning Site -- State Department
UNESCO
          Themes
USAID Regions and Countries
World Factbook -- CIA

Maps

Geography and Maps: An Illustrated Guide -- Library of  Congress
Historical Map and Chart Collection -- NOAA
Maps and Geographic Information Resources -- United Nations
Map Collections: 1544-1999 -- Library of Congress
World Factbook: Reference Maps -- CIA

Statistics

Economic and Social Development -- United Nations
Handbook of International Economic Statistics -- CIA

GIS

Geographic Information Systems -- Geological Survey
          Clearinghouse Web Links