The Freedom Gay Camping and Caravan Club

Includes membership information, meets schedule, and links. Based in the UK.
http://www.freedomclub.co.uk/

Rainbow Amateur Radio Association

Includes membership information for this international organization of gay and lesbian ham radio enthusiasts.
http://www.rara.org/

Natural History Group

Includes schedule of meetings, programs, and fieldtrips. Also includes links and membership information for this social organization based in New York City.
http://www.fortunecity.com/campus/essay/1131/index.html

Board Stiff

Board gaming club at the Lesbian, Gay, Bisexual and Transgender Community Center, in New York, US. With information about meetings and games played.
http://www.boardstiffny.org/

Gay & Lesbian History on Stamps Club

Includes contact information and organization description.
http://www.glhsc.org/

Gay Birders Club

Information about a club for lesbian and gay birders, including a list of birdwatching events and articles from the magazine Out Birding.
http://www.gbc-online.org.uk/