World Lecture
Hall
http://web.austin.utexas.edu/wlh/index.cfm
This oldie but goodie is still one of the best
places to discover online
course material - syllabi, course notes, audio, or
video -- on virtually
every topic, from around the world. Equally useful for
for students,
independent learners, and faculty seeking models for new
courses they've
been assigned to teach.