- Black Educational Tours
- Tour guides tell the stories of legendary African American leaders and their roles in shaping Washington DC. - Capital City Tours, Inc.
- Capitol Heights - Group packages and itineraries for the Washington DC metropolitan area. - CI Centre SpyDrive
- Retired FBI, CIA, and KGB officers guide tours of espionage-related sites in Washington D.C. - Cotinga Tours
- Offering birding tours of Costa Rica. - DC Ducks
- Offers sightseeing tours of Washington D.C. in an amphibious vehicle. - Design-A-Tour, Inc.
- Burke - Offers holiday flats and escorted tours in Italy, France, Spain, and Portugal and makes airline, car, and hotel reservations. - Federal City Tours
- Specialising in customised group tours to Washington, DC. - Fighter Command WWII Fighter Rides
- Front Royal - Enjoy a flight in a WWII AT-6 fighter trainer. - Further Travels Company
- North Potomac - Offers Caribbean trips for singles from the U.S. - Georgetown House Tour, The
- Tour exploring Georgetown's most beautiful homes and their impressive gardens that benefits the ministries of St. John's Episcopal Church. - Georgetown Walking Tours
- Highlighting local legends, history, and architecture. - Global Garden Project
- Offers unique custom-designed garden tours through Europe, Asia, and Latin America, featuring knowledgeable study leaders and private venues. - Guided Tours of Washington DC
- DC resident and licensed tour guide offers customised guided tours to families and small groups. - Heritage Tours Ltd.
- Arranges tours of the Capital's historic buildings and monuments. - KB Tours of Washington, DC
- Conducts individual and group guided tours of historical sites. - Old Town Trolley Tours
- Offers narrated trolley tours in Washington D.C., Savannah, Boston, Key West, and San Diego. - Points of Interest
- Historic tours of Washington DC and Maryland. - Potomac Eagle
- Romney - Narrated train excursion through the Highlands of West Virginia; from Romney to Petersburg and Moorefield. - River & Trail Outfitters
- Knoxville - Whitewater rafting, kayaking, tubing, and canoeing on the Potomac River, Shenandoah River, and Antietam Creek, as well as cross-country skiing trips. - River Riders, Inc.
- Harpers Ferry - Whitewater raft, canoe, kayak, and tube trips only one hour from Washington, DC and Baltimore. - Solomons Walkabout
- Solomons - Provides an architectural and historical walking tour of Solomons Island as well as custom travel packages througout southern Maryland. - UC Tours
- Specialising in African American tours. - Washington DC Sightseeing
- Potomac - MINO Publications presents Washington D.C. guide and souvenir books, guided walking tours, and public speaking by Anthony S. Pitch. - Wildside Adventures for Women
- Bluemont - Offers inexpensive guided outdoor trips and skills workshops in backpacking, on-road and off-road biking, hiking, canoeing, and orienteering.
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