Take a Blacksmithing Class
Take a Glass Blowing Class
Eating a Durian & Experiencing a Corpse Flower in Bloom (aka, the smelly things!)
Bungee Jumping
Take a Stained Glass Making Class
Swim with Manatees
Walk on a Bed of Hot Coals
Scratchy Tickets, Gardens, Mole Removal, and Driving a Stick shift (aka, some one and done items)