Politics1.com
A truly unique site with information on the presidential race and candidates, plus a wealth of historical information. Also information on federal, state and local races, newsletters, statistics, and more. A bookstore and shop, complete with a section on political buttons rounds out a politico's fantasy.

The White House Historical Association
Started by Jackie Kennedy, this non-profit association works at everything from providing authentic historical artifacts to the White House to publishing a wide variety of books, cards, calendars, art reproductions. A number of areas on this site include tours, biographies, a children's area and one on Christmas Ornaments through the years. Also, a gift shop with unique and unusual gifts, books, posters, calendars and collectibles I have not seen anywhere else.

Vice Presidents.com
A wealth of information on Vice Presidents, Presidents, wives and other leaders. Links, trivia quizzes and interesting facts in an easy to explore site.

List of US Presidents Internet Sites
Lists of facts about presidents organizaed by categories. This site includes everything from birth and death dates to which presidents were left-handed. Good geneological information and unusual personal facts.

Open Here: Presidents
OpenHere.com is an excellent seach site. Its presidents page has many excellent links to unusual sites on all things presidential.

Portraits of Presidents and First Ladies
The Library of Congress site with biographies of every president and first lady, with portraits, plus a variety of other information.