United North America 
Advocates the amalgamation of Canada and the United States of America.
http://www.unitednorthamerica.org/The Nine Nations of North America
Based on a book by Joel Garreau. Maps, symbols, and brief descriptions of cultural and economic regions.
http://www.harper.cc.il.us/~mhealy/g101ilec/namer/nac/nacnine/na9intro/nacninfr.htm
Boundless Playgrounds
Nonprofit organization which works with communities to develop playgrounds accessible by all children, with or without disabilities. Includes list of playgrounds in Canada and USA.
http://www.boundlessplaygrounds.org/
