The National Park Service: http://www.nps.gov/

America's Scenic Byways: http://www.byways.org/

The Library of Congress: http://www.loc.gov/wiseguide/index-flash.html

The World's Largest Catsup Bottle: http://www.catsupbottle.com/

Roadside America: http://www.roadsideamerica.com/

The National Archives: http://www.archives.gov/

The White House: http://www.whitehouse.gov/

The National Baseball Hall of Fame and Museum: http://www.baseballhalloffame.org/

The Oscars: http://www.oscar.com/

National Public Radio: http://www.npr.org/

The Smithsonian: http://www.si.edu/

Lincoln at the Library of Congress: http://memory.loc.gov/ammem/alhtml/alhome.html

The National Museum of American History: http://americanhistory.si.edu/

The history of the Eskimo Pie: http://americanhistory.si.edu/archives/d8553.htm

Julia Child's measuring cup: http://americanhistory.si.edu/collections/object.cfm?key=35&objkey=168

Daughters of the American Revolution: http://www.dar.org/

The Burning Man Project: http://www.burningman.com/

The National Association of Left-Handed Golfers: http://www.nalg.org/

More to come!