Take weekly classes. Search for weekly classes that suit your interest and can enhance your current skills. If you're already working, check to see if your employer can pay for your classes. Some employers offer scholarships to their employers who are learning new skills from which their companies can benefit.
Join a club. There are clubs out there which are discussion-based. The interests of their members vary - books, business, film, philosophy, foreign languages, etc. Choose a club which discusses the topics you're interested in or topics connected to the industry where you belong.
Subscribe to educational podcasts. Search for free educational podcasts and listen to them while you're commuting to work or back to your home. You will be surprised to discover that you can acquire a great amount of knowledge about almost everything from online sources free of charge.
Attend open lectures in your locality. Check with the nearest bookstore or university in your locality the list of open lectures and readings by notable professors and authors. If you're interested in arts, check the website of your favorite artist for schedules of discussions and seminars which you can attend for free.
