Outdoors
Andinia.com - http://www.andinia.com/
A search engine dedicated to nature lovers, the great outdoors and adventurous spirits: survival, extreme sports, travel, ecology, mountaineering, photography, how-to articles, blogs, forums, courses, real experiences, gear, tips, and more.
ILoveParks.com - http://www.iloveparks.com/
Helping people connect with parks around the world.
OutdoorsClub.org - http://www.outdoorsclub.org/
A grass roots organization for outdoor enthusiasts.