Verizon Center - This sports and entertainment arena in downtown Washington, DC, is home to the NBA’s Wizards, NHL’s Capitals, WNBA's Mystics and Georgetown Hoyas and presents concerts, family shows and other sporting events. Includes event schedule, seating maps and - http://www.verizoncenter.com/
Potomac Bottle Collectors - A non-profit antique bottle club. Forum, events, newsletters and photo gallery. - http://www.potomacbottlecollectors.org/
Brewers United for Real Potables (BURP) - Homebrewers club. Includes calendar of events, meeting schedule, articles, guide to brew pubs and retailers, and links to member Web sites. - http://burp.burp.org/
Sidwell Summer - Programs for ages 3 to 18, including summer studies classes, and a variety of enrichment workshops in Washington DC and Maryland. Description of programs, rates, and schedule organized by type and age. - http://classic.sidwell.edu/summer/
Special Olympics - District of Columbia - Provides sports training for citizens with developmental disabilities. Includes programs, events, news, gallery and volunteer opportunities. - http://www.altrue.net/site/SODC/
Washington Post Sports - News, articles and events. Requires free registration. - http://www.washingtonpost.com/wp-dyn/content/sports/
Morgan Car Club of Washington D.C. - Home of the "Rough Rider" newsletter and hosts of Morgan related events. Includes photographs, puzzles, videos, history, membership information and calendar. - http://www.morgandc.com/
DC Knitters - Offers information about knit and crochet groups, instructors and yarn stores. Includes photos and a discussion group. - http://www.dcknitting.net/
Recreation Wish List Committee - Describes its activities in support of better recreational programs and facilities for DC children and teens. - http://www.recreationwishlist.org/
Washington Tennis & Education Foundation - Describes the foundation's tennis programs for DC-area youths, particularly those from low-income communities. - http://www.wtef.org/
Washington, DC, Metropolitan Area Lego Train Club - WamaLTC - Club of adult Lego enthusiasts who collect, build, and play with Lego trains. Has club information, description and photos of show displays created by members, meeting reports and Web links. - http://www.wamaltc.org/
Washington DC Area Volksmarching Club - Promotes volkssports. Includes activities, history and membership information. - http://www.pollow.com/wdcavc/
DC Triathlon Club - Works to organize and support local triathletes. Includes calendar, newsletter, events and forum. - http://dctriclub.net/
Capital Area Austin Healey Club - Dedicated to the enjoyment and preservation of the Austin Healey and Healey marque cars. Includes membership information, newsletter, photos, events and classifieds. - http://www.capitalhealeys.org/
Washington DC Unit WBCCI - Organization for owners of Airstream trailers and RVs. Includes membership information, rally schedule, activities and newsletters. - http://www.servintfree.net/wbcci-dc/
Washington Rugby Football CLub - Organized and sanctioned premier level men's rugby. Includes news, schedule, directions, photos, history and membership information. - http://www.washingtonrugbyclub.org/
Washington Renegades RFC - Multicultural men's rugby football club. Includes news, practice information, catch schedule, membership information, bylaws and photos. - http://www.renegades-rugby.org/
FAA Flying Club of Washington, DC - Works to stimulate and encourage interest in aviation. Includes membership information, aircraft, flight training information and rates. - http://users.erols.com/faaflyingclub/#faafchome
District of Columbia Radio Control Club - Offers a flight training program and runs a model field. Includes membership information, events, certification information, field location and newsletter. - http://www.dc-rc.org/
Appalachian Mountain Club Washington DC Chapter - Promotes outdoor activities and conservation in the mountains of the northeastern United States. Includes activities, programs, trip reports and weather information. - http://www.amc-dc.org/
Washington Volvo Club - Dedicated to the care of members' Volvos. Includes events, news and a newsletter. - http://volvoclubdc.com/
Friends of Fort Dupont Ice Arena - Year-round, indoor, ice skating rink. General information, admission, schedules. - http://www.fdia.org/
Washington DC Furies - Women's rugby club. Includes team history, game schedule and information on the annual Ruggerfest invitational tournament. - http://www.dcfuries.com/
National Capital Heisey Collectors Club - Club promotes the collecting and study of glass produced by A. H. Heisey. Site contains information on Heisey glass [some PDF files], membership information, event dates, newsletters, photos, by-laws and links. - http://www.capitalheiseyclub.org/
Wine Tasting Association - Works to educate individuals about wine and related topics. Includes events, membership information, wine talks and volunteer opportunities. - http://www.winetasting.org/
Great Outdoor Recreation Pages - Area outdoor attractions, maps, nature, and other points of visitor interest. - http://gorp.away.com/gorp/location/dc/dc.htm
Weekend Trips - Suggestions for outdoor activities. - http://gorp.away.com/gorp/location/cities/dc.htm
NAWCC Chapter 12 - National Association of Watch and Clock Collectors. Features chapter news, events calendar, membership information, links, and meeting location map. - http://www.nawcc.org/chap12/
Rock Creek Park Horse Center - Offers pony rides, trail rides in Rock Creek Park, riding lessons, and summer camps. - http://www.rockcreekhorsecenter.com/
Sportrock - Offers indoor climbing facilities in Alexandria and Sterling, Virginia and Rockville, Maryland. Includes hours, rates, course offerings and a discussion forum. - http://www.sportrock.com/
Mid-Atlantic Off Road Enthusiansts - Virginia, Maryland, and Washington DC's largest and most active mountain advocacy club. MORE sponsors weekly group rides. - http://more-mtb.org/
Mid-Atlantic Road Racing School - Metro area track instruction and licensing for racing. Course descriptions, schedules, and technical requirements. - http://marrc.nova.org/html_docs/rrs.html
MetroSports DC - Magazine on fitness, running, and other sports. - http://www.metrosportsdc.com/
Social Club of the Potomac - Promotes an annual New Year's Eve charity ball and shares information about similar events throughout the year. - http://www.scp.org/
Pros N' Hackers - Provides course directory, reviews, directions, PGA tips, tournaments, tee time golf pass, articles, and information about junior golf. - http://www.prosnhackers.com/