Amusement Parks
Busch Gardens Williamsburg, VA
Hershey Park Hershey, PA
Paramount's Kings Dominion
Six Flags America Largo, MD
Water Country USA Williamsburg, VA

Caving
Washington DC Grotto

Climbing
Adventure Schools Rock Climbing Cabin John, MD--climbing rock instruction school recreation outdoor hiking camping education backpacking caving camp youth experiential leadership adventure rope knot
Climbing in the Baltimore Area
Climbing the Maryland Heights
Earth Treks Climbing Center Columbia, MD--The region's only AMGA Accredited climbing school, teaching over 10,000 people to climb each year. Courses are taught indoors and out and they even guide mountaineering trips to the Andes and Himalayas (including Everest). 1-800-CLIMB-UP
Seneca Rocks Web

Cycling
College Park Area Bicycle Coalition
Coalition for the Metropolitan Branch Trail
DCBiking.com Washington, DC--Your source for mountain biking resources and TRAILS in Washington, DC and the metro area!
Washington Area Bicyclist Association

General
18th & YOGA Washington, DC--Yoga classes for beginner, intermediate and advanced students. Walkins Welcome! Massage too! Located in Adams Morgan. We offer healthcare discounts.
aaa charterboat capts. Deale, MD--chesapeake bay charter fishing at its best
AAA Sail to St. Michaels Annapolis, MD--Sail into St. Michaels, enjoy the Chesapeake Bay Maritime Museum, the town's shops and restaurants. A full, fun day of sailing, and "Discovery"
Annapolis Bay Charters Annapolis, MD--Sailboats 30' to 55' for bareboat charter on the Chesapeake Bay, plus fleet of luxury yachts and schooners for private parties, corporate entertaining
Arlington YMCA Ju-Jitsu Dojo Arlington, VA--Self-defense training for men and women in a safe, supportive environment.Self-defense training for men and women in a safe, supportive environment.
Atlantic Kayak Company Alexandria, VA--Kayak tours from monuments to marshes. Sea kayak instruction, rentals, and sales in DC, VA, Md
At the Beach: Maryland and Delaware
Baltimore Boating Baltimore area, MD--Boating Directory and Search Engine. Find marinas, boating sales, charts, events, weather info, destinations, water safety, schools, and more.
Baltimore Cribbage Club Baltimore, MD
Bass *DC* Washington, DC--Potomac River bass fishing information, maps, guides, message board, chat, weather, fishing reports, links, etc.....
Bay Lady Sport Fishing Charters Annapolis, MD--Chesapeake Bay Charter boat services for sportfishing
BaySail School & Yacht Charters Havre de Grace, MD--ASA sailing courses, yacht charters, sailboat rental on the Chesapeake Bay in historic Havre de Grace, MD.
Belmont, The Gari Melchers Estate and Memorial Gallery Fredericksburg, VA--The former residence of the American figure painter Gari Melchers.
Biggy's Charter Services Other Anne Arundel County, MD--Charter fishing for rockfish and Bluefish specializing in light tackle equipment
Branded Rally Club of MD--TSD Road Rallying in the Washington, DC metro area.
Branstock Farm Outside D.C. area, VA--Located 1 hr west of DC in Berryville VA,we offer herding lessons and horseback riding lessons.
C & C Charters on the Chesapeake Bay Annapolis, MD--Yacht and sailboat charters on the Chesapeake Bay.
C&EJ's Enterprises Other Anne Arundel County, MD--C&EJ's Offers Archery, Hunting, Fishing, & Boating Equipment & Metal Detectors
Canoeing Adventures Vienna, VA--Guided canoe trips(by ACA canoe instructor David Brown) on the nearby Potomac River. I've taught over 5000 Washingtonians the art of river canoeing.
Capital Hiking Club
C & O Canal Restoration Page--C&O Canal, Towpath, National Park, Potomac River: Information on current status and restoration project updates. A service of the Potomac Conservancy.
Freedom Boat Club - Mid Atlantic Woodbridge, VA--Freedom Boat Club offers unlimited hassle-free access to a variety of boats and locations all at a fraction of the cost of owning a boat.
Chainlink (D.C. mountainbiking)
Chesapeake Area Tour - Three Cat Productions, Inc. Alexandria, VA--Mid-Atlantic Women's Professional Billiards Qualifying Tour
Chesapeake Bay Sportsfishing, Loosen Up Charters Annapolis, MD--Chesapeake Bay Charter Boat Fishing with Capt. Frank.
Chesapeake Beach Fishing Charters Other Anne Arundel County, MD--Charter a boat to fish for Rockfish & Bluefish on the Chesapeake Bay
Chesapeake by Boat, LLC Columbia, MD--The online Chesapeake Bay waterfront guide and community.
Circle of Hope Therapeutic Riding, Inc Potomac, MD--We offer therapeutic riding lessons to people with disabilities.
Crunchland Alexandria, VA--Washington DC's BEST online adult community,
dc areobatics Alexandria, VA--aerobatic thrill rides and instruction
dccasinos.com Washington, DC--DC's Newest Online Sports Betting and Casino! Best odds! Highest Payouts! Place Your Bets!
DatingData.com Annandale, VA--The best online dating and matchmaking services, romance, travel and gifts.
DC.Chat Rockville, MD--Free chat. No plugins required!
DC Strokes Rowing Club Washington, DC--DC's Gay and Lesbian Rowing Club (Thompson's Boat House)
Iceweb.net Outside D.C. area, MD--DeepCreekLake, visitors guide to businesses and activities in the area
Doc's Motorcycle Touring Pit Stop Alexandria, VA--The Internet's premier source of information about motorcycle touring and camping, worldwide, with resources, links, humor & more.
Equilibrium Horse Center Bowie, MD--Equilibrium offers horse and pony trail riding, summer camp, riding lessons.
Fairfax Cricket Club Fairfax, VA--Playing Weekend Cricket in Northern Virginia Member of the Washington Cricket League
Fishing in the Washington DC Area Manassas, VA--Reports and Information on Fishing and Boating in the Area, Potomac, Shenandoah, Lakes, Rivers
Free State Pinball Association MD--Maryland Pinball Listings
Galaxy Computing Center Laurel, MD--Multi-Player Computer Arcade! Experience the BEST in Multi-player Gaming!
Georgetown Yoga Washington, DC--Georgetown Yoga offers a wide range of yoga styles for all levels in a beautiful, relaxing setting.
Software Performance Systems Arlington, VA--The Gopher will assist you in reserving online tee times at great golf courses.
GWU Gamer's Society
Hiking Old Rag Mountain Alexandria, VA--A guide to the best hike on the East Coast
International Boating Library--Unique water sports information center for all craft, equipment, travel, and skills: boating, sailing, charter, diving, paddling.
J/Boats Chesapeake Annapolis, MD--The nation's largest J/BOAT dealer -- The place for new J/'s.
JadeLady Charters Anne Arundel County, MD--Chesapeake Bay Rockfishing and Crabbing aboard the JadeLady
Kamp A-Kom-Plish Other Prince George's County, MD--Kamp A-Kom-Plish is a sleep away camp for children and teens aged 8-16
Laid Back Charters Annapolis, MD--Chesapeake Bay Fishing Charters Aboard the Laid Back. Life is Good!
Lake Ridge Wing Chun Woodbridge, VA--Wing Chun, Martial arts,Ip Man,Ip Ching
Learning Escapes for Singles Bethesda, MD--Learning Escapes ... exceptional get-a-way excursions for available singles
LFRA Flying Club Arlington, VA--Flying, metro DC, College Park, Cessnas, Gaithersburg, Federal, instruments, Maryland, Virginia, Ninety nines, 99s, METAR, weather, friends, Club, organization, snow, ski
Long's Hunting-Fishing and Canoes Luray, VA--Located only 1 1/2 hours from Washington, D.C. and promisse an unforgettable adventure while enjoying the beauty of the Shenandoah Valley
Kyran Lynn Charters Other Anne Arundel County, MD--Charterfishing at its best! Fishing for Stripers,Blues,Croakers,Trout within 35 minutes of D.C. Beltway
Majestic International Casino Arlington, VA--Free $500 Prize Drawing. Play exciting casino games and win REAL Money and FREE prizes. Unique "Refer-A-Friend" program earns you FREE Money!!!
Mariner Sailing School Alexandria, VA
The Maryland Angler's Network Other Montgomery County, MD--Fishing Resources for all Maryland Angler's- Fishing Reports, Tides, Weather, Pictures, Forums, Tackle Shops, Charters and Guides and more!
Maryland Fishing Network Rockville, MD--Maryland Fishing Network is a website dedicated to fishing in Maryland, both fresh and saltwater. Discussion forums, guides, classifieds, etc.,
Massanuttenowners Club Outside D.C. area, VA--Massanutten timeshare owners club
Myoyu Dojo (Prince George's County Police Judo Club)
The Northern Virginia Bird Club Arlington, VA--We look forward to seeing you on our field trips and at our evening meetings. Birding is a great all-season hobby.
Northern Virginia Volksmarchers Fairfax, VA--Walk at your own pace: Go as fast or as slow as you want.
Outdoor Excursions Outside D.C. area, MD--The premier whitewater paddling school in the Potomac River area. We are based in Boonsboro, MD and have lessons near Great Falls.
Overboard
Potomac Appalachian Trail Club
Potomac Belle Custom Charters Alexandria, VA--The Potomac Belle is the newest custom yacht serving personal and corporate needs on the Potomac River.
Potomac Boating Forum
Potomac Pedalers Touring Club Washington, DC--Washington's Largest Bike Club
Potomac Soccer Association
Ski Center Washington, DC--Washington area's leading ski since 1959. Friendly, experienced staff will assist you with your ski, snowboard, in-line skate purchase.
Ski Club of Washington, DC Kensington, MD
SKIRMISHER Online Gaming Magazine Fairfax, VA--SKIRMISHER covers all aspects of gaming through reviews, previews, a forum, a game designer's toolbox, and an online game store.
The Sociables - A social group serving the Washington D.C. area Alexandria, VA--Come meet really nice people and share all the cultural and recreational opportunities D.C. has to offer. We do dinners, cultural events, hikes, etc.
South River Boat Rentals Annapolis, MD--Sailboat rentals & charters, sailing club, sailing lessons. Charters by the half day, full day up to the week.
Spirit Cruises Washington, D.C.
Strike Bethesda Bethesda, MD--The area's only retro funcky cool bowling alley. 34 lanes, 2 30-foot bars, VIP room, big screens over the lanes, not your fathers bowling alley!!
Sunburst Publications Outside D.C. area, VA--Waterfront lodging, water sports on Virginia's lower Northern Neck.
T'ai Chi Chih with Dale Buchanan Washington, DC--Offering classes, workshops, retreats, and products in T'ai Chi Chih
Tandem Skydive DC Inc. Other Stafford County, VA--DC Skydivers! Tandem Skydiving Freefall Jumps! Serving Washington, District of Colombia USA and surrounding areas.
TennisLink Chevy Chase, MD--Tennis Services Including Lessons, Indoor Tennis and Ladders
TheFishCrib.Com Falls Church, VA--Your online fishing resource
Tour de Friends Washington, DC--- a four-day charity bike ride taking place June 19-22, 2003.
Unique Occasions Fairfax, VA--Private yacht charters on the Potomac River- offers you several options for your special event with just one phone call. No fees.
terprises.com/">Upward Enterprises, Inc. Gaithersburg, MD--Upward Enterprises offers exciting area programs in rock climbing, caving, kayaking, team building, biking and ropes challenge courses.
Washington Area Bass Fishing
Washington Area Frisbee Club Washington, DC--A non-profit org dedicated to promoting flying disc sports, WAFC sponsors several Ultimate Frisbee leagues throughout the year
Washington Area Rollerskaters Home Page Washington DC--In-line Skating in Waslington DC, Maryland, and Virginia
The Washington DC Area Volksmarching Club Alexandria, VA--What's it like to walk with us? Come along and see what it is like.
Washington Karate Academy Washington, DC--We offer traditional Karate training for adults, youths, and children over 6 in the Okinawan art of Uechi-Ryu.
Washington Rally Club
Windsurfing around Washington DC
Winged Dragon Karate Club Other Anne Arundel County, MD--Self defense classes throughout Anne Arundel County for children and adults
Wings over Washington Kite Club Alexandria, VA--Kite Club, Kites, Kiteflying, Multi line Kites, Single line Kites, AKA Member Club

Scuba Diving
Chris and Patsy Light Stafford, VA Chris and Patsy Light's Ocean World Technical Scuba Diving--Advanced & Technical Scuba Diving, VA/N. Carolina/Flordia, & more. NAUI/ DAN/TDI. Nitrox/Trimix/Rebreather. Certified & dive with folks from, NFL,NASA,FBI, & many others. Pic's of U-352.
DiveSafety Technical Diving Annapolis, MD--Technical Scuba Diver Training.
Patowmack Divers Dive Club Alexandria, VA--We are a local club for SCUBA divers, and we meet monthly.
SCUBA Professional Education Dive School Washington, DC--Beginner, advanced & specialty SCUBA training at 4 Metro accessible locations. Monthly Cayman Island dive trips.
Washington, DC Scuba Diving Guide

Parks
National Park Service units in Washington DC
National Park Service units in Maryland
National Park Service units in Virginia
Northern Virginia Regional Park Authority
Sierra Club - District of Columbia Chapters
Sierra Club - Maryland Chapters
Sierra Club - Virginia Chapters
Washington and Old Dominion Railroad Regional Park VA