After hours of research, two office potlucks, a false start, generous fact-checking, and a cross-country collaboration, here is the first and only up-to-date list AND map of every dark sky preserve in North America for your stargazing pleasure. (What is a dark sky preserve?)
Want some ideas on what you can do at these dark sky preserves? Try the Parks Canada guide to Wilderness Astronomy.
(Click on a dark sky preserve [green] below to go to its site, click on a city [yellow] to go to its main astronomy club)