West and a bit smaller colleges but might have the more “flexible learning paths” that you may like? University of Puget Sound? College of Idaho? Univ of Wi-Madison (big college in a liberal town). Evergreen?
Perhaps this older thread might help?
http://talk.collegeconfidential.com/college-search-selection/2007105-liberal-intellectual-hippie-colleges-that-change-lives-school.html