Don't Let Summer Get You Down!

Go to the Shakespeare Festival
Henna
Read lots of good books
Blow bubbles
Go downtown with a group of friends
Go to a concert
Go to the fair
Visit family in Idaho and Montana
Color guard!
Read Harry Potter y la Piedra Filosofal
Have sleepovers for no reason but to have them
Don't Break the Chain
Go camping
Take photos
Watch the stars with my sister/friends
Learn how to be a better babysitter :-P
Read two of Shakespeare's plays
Learn some yoga (try anti-gravity yoga)
Seed-bombing 
Find people to double-dutch
Nerdfighter notes
Go to the library and make poetry with book titles
Make poetry with random lines from books
Wear capes with friends in public
Play mancala
Draw/paint/chalk
Garden
Watch honey bees
Record self and friends singing random stuff (preferably in mutual horribleness)
Go to the pool
Write to someone (Evaaa!!)
Go for a bike ride -- new route or old route
Water gun wars
Thrift store/yard sale shopping
Take a bubble bath
Spend a long time drawing with sparklers with friends
Sell fireworks
Sew a dress
Random game night!
Go to Classic Skating
Watch Rocky Horror Picture Show and sing along/dress up
Pizza party
Late night walks
Harry Potter movie marathon
Doctor Who marathon
Write a (love) letter to your future self
Ultimate frisbee
Fly a (stunt) kite
Decide where to go to college -- apply  D-:
Recreate the Doctor's clothes
Watch horror movies and become terrified for the sake of terror
Learn to imitate a foreign accent
Night games
Make a hula hoop and learn hoop-dancing 
Leave a disposable camera for strangers to take pictures

I'm going to try to add to this whenever I think of something to combat summer boredom -- because even I, master of somehow not being bored, get bored over the summer.
Any things you can think of?