I like using history podcasts as background for commuting, hiking,
etc. My favorites come from Isabelle
Pafford a lecturer in Classics at Santa Clara University
(previously at Berkeley and SFU). Pafford has a light, entertaining
style, full of jokes and pop culture references.
New:
Classics 11A: Heroes and Heroism
Classics 178: Greek Art and Architecture
Older:
History 110: Roman Republic
Hitory 106B: The Roman Empire
History 4A: The Ancient Mediterranean World
Worth checking out.

Any non-itunes feeds, for those of us who refuse to submit to Apple's tyranny?