Longacre Expeditions 
Offer 13 to 28 day wilderness based trips with a variety of activities, placing an equal emphasis on physical and emotional growth through challenge. Contains a list of destinations, program, photos, FAQs, travel schedule, and application form.
http://www.longacreexpeditions.com/Coastal Discoveries 
A non-profit, one week marine environmental education program for children ages 9 and up, including ecology of the Merrimack river, snorkeling, Whale watching, and fishing. Contains details of the course, and registration form.
http://www.coastaldiscoveries.com/
ExploraMar Marine Biology Sailing Camp 
Teenage summer science camp offering sailing instruction and marine biology while living aboard a 50 ft sailboat on Sea of Cortez, Baja, Mexico. Features application request form and photos.
http://www.exploramar.com/
Outward Bound USA 
A non-profit organization consisting of 5 wilderness schools and 2 urban centers offering adventure based, experiential education summer programs for teens. Contains program details, parents information, photos, and enrollment form.
http://www.outwardbound.com/
Visions Service Adventures 
Offers co-ed summer program for teenagers combining construction-based community service, outdoor exploration and adventure, and intercultural living.
http://www.visionsserviceadventures.com/
Bytown Brigantine 
Tall ship sailing program for youth. Program, membership, ship, photo gallery, and bursary program information.
http://www.tallshipsadventure.org/
Sail Caribbean 
A summer adventure camp in the Caribbean offering sailing, scuba, community service, and marine biology programs aboard and ashore.
http://www.sailcaribbean.com/
Camp Z 
Summer camps in the Bakony region in Hungary created in cooperation with The Language Academy (University of Amsterdam).
http://www.campz.net
Cheerio Adventures 
A Christian adventure program for boys and girls ages 10-16 with a basecamp in SW Virginia. Program includes rock climbing, kayaking, canoeing, mountain biking, rafting, caving and sailing.
http://www.cheerioadventures.com/
Wilderness Adventures at Eagle Landing 
An outdoor camping and backpacking adventure for co-ed ages 9-18 in Virginia's Blue Ridge Mountains. Rock climbing, rappelling, caving, canoeing, kayaking, mountain biking, ropes course, and 900 foot zip line. Includes programs, dates, and registration details.
http://www.eagle-landing.com/