What cool thing to do for my son's 16th birthday?

what is something really cool I could do for my son who is turning 16 in june? I ask him if he wanted to go sky diving but he said no, so something like that is what im looking for.

Go camping. Let him bring a few friends. Maybe his present can be a digital camara so he'll never forget his 16th bday.
If he is not outdoorsy, how about concert tickets?

What about a trip somewhere? Any 16 year old wants a car. There's also other extreme sports. Would he tell you what he wants if you asked?

take him paintballing and let him bring some friends. That's always fun. Or if he enjoys fishing take him on a guided trip, my dad took me fly fishing on a float trip for graduation and I loved it. (I wouldn't recommend fly fishing if you have no experiance though it would kind of suck) Camping is always a good option too. It's hard to say really, not know your son.

you'll find something fun though.