Bungee Jumping and Skydiving too?
Swim in the sea.
See a movie in a theatre.
Take a walk through nature.
Watch the sunrise/stars.
That's all I can think right now.
Helping a stranger in need.
Wrestle a momma Grizzly bear..
Sit on a cactus.
Wait up on Christmas Eve to see Father Christmas. 乂^◡^乂
Spend the night in the woods.
But not what that woman is doing:[
Elsewhere someone suggested dancing naked under the moonlight.