The Edison in Downtown L.A. is a pretty interesting place. Bar/lounge/nightclub, in L.A.'s first power plant (renovated to match old, classy downtown L.A.) ...
http://www.edisondowntown.com/... the flash is over-the-top on the site, but the visual tour will give you an idea.
Here's a review I found -
http://lastheplace.com/2006/11/15/th...s-up-downtown/