Old Towne Alexandria, Virginia
http://www.funside.com/

Website for Alexandria community events, visitor information, news and sites. A good source of information for residents as well as visitors interested in activities outside of DC but still closeby.

Colonial Williamsburg, Virginia
http://www.history.org/

A complete visitor's guide to historic Williamsburg. Information covers local accomodations, entertainment and shopping, as well as the complete history of the area. Excellent source for those planning to spend a few days there or simply take a day trip.

Harper's Ferry, West Virginia
http://www.nps.gov/hafe/home.htm

An online guide to the history associated with the Harper's Ferry Historical National Park. Includes extensive visitor and up-to-date local events information.

Historic Georgetown/Dupont Circle Walking Tours
http://www.tourdc.com/

Tour DC's walking tours website, covering tour details and fees.  This site also includes links to other walking tour and event websites.