This Day in History by The History Channel. Look for the "This Day on Wall Street" link and also do a search on the words "Wall Street" to get pertinent information.
Financial Multimedia by the Fisher College of Business at Ohio State University.
For information on the history of Wall Street architecture, visit T.A. Braly & Co., a Real Estate firm, and look for "Wall Street" under "Neighborhood Information".
General Sources of Monetary History by R. Davies. -- Has many interesting links such as "A Brief Counterfeiting Hitory", "A History of Taxation", "History of the U.S. Mint", "History of Gold", and much more.
RTmark. Designed as a "brokerage" and existing on the web, RTmark skewers the corporate world with art, poetry and satire. When it won a spot in the coveted Whitney Museum's biennial display of new art, RTmark threw their spot open to any Internet artist wishing to display (in rotation) their creations.
RTmark's Rotating Internet Artists' Exhibits. As you might guess, many of the artists who took RTmark up on their offer also enjoy satirizing the corporate and financial world.