Something to do over summer?

okay so its only the 2nd day of summer and i am bored out of my mind, i have nothing to do! any ideas? im 16 and i have a car and a license but my parents wont let me go anywhere that isnt in town, i have sucky friends that are always busy, i dont live near a beach, the lake is way too packed, its super hot outside, i only have one vacation planned, our mall sucks, my mom said if i lose weight i can get my belly on pierced but im super lazy. i dont want to do anything illegal, my parents wont let me get an animal, please someone give me ideas!