Spiral Dynamics is an integral world-view promoted by the likes of Ken Wilber, Steve Macintosh and others. It describes various stages of cultural development along the path towards greater degrees of awareness / consciousness. While I do have my criticism which pertains primarily to the projected stages beyond our current one, the theory is quite solid when it comes to past-projections.
Here are some interesting visualizations collected by Kent Bye on Spiral Dynamics:
As well as some aggregated links: