English Club has lots of information, quizzes and guides to help you understand and practice English better.  Their forums are a great place to chat with other learners about things that interest you.

The English Blog is a great place to browse lots of news stories and videos with notes from an English teacher.  He updates the site daily with relevant stories and interesting cartoons and videos that show real English in context.  There really is a huge amount of material here (search the categories) as well as a lot of links to webistes for English Language Learners (ELL) and podcasts.