http://www.oculture.com/weblog/2007/01/foreign_languag.html

Interesting, podcasts to help you learn new languages and keep up with international news in that language.

Check it out if you get the chance.

Edit:

This is a portal for a ton of learning online podcasts.

http://www.oculture.com/weblog/2006/10/the_podcast_por_1.html

Apparently there is one on the Byzantine Empire that is very popular on there.