You can find them on the MLS or any agent/broker site connected to the MLS. You can also find them on auction sites like auction.com, hubzu, homesearch.com.
The real question is why are you specifically looking for foreclosed and bank owned homes? Unlike 2009-2011, bank owned homes aren't that much of a bargain. Most have been cleaned up and fixed up and priced around that of non bank owned homes.