Learn a different language
Watch as many of the top 100 movies of all time as you can (
http://www.imdb.com/list/ls055592025/)
Write something, a book or short story or anything you want to write
Learn an instrument, seriously do it
Blind Date (might be an odd one but trust me it's a huge learning experience and helps you learn a lot about your romantic/sexual side)
Visit another country/continent
Scuba Dive
Sky Dive
Hike one of the Highest Mountain tops you can, enjoy the view for a few hours too
Go to some punk shows, DIY music scenes tend to have some of the best people within them and you'll hear music you'd otherwise never knew existed
Dab on all your haters, you won't regret this one
Conquer all your fears one at a time, you can do it I believe in you
Own a Dog, cats aren't the same it has to be a dog.
Apologize to everyone you've done wrong too, no matter how big or small and no matter if they care or not (Watch My Name is Earl, you'll get the idea)