Answer:
I am a popular afterlife location to send evil people
Weight in my belly, trees on my back, nails in my ribs, feet I do lack. What am I?
I'm tall when I'm young and I'm short when I'm old. What am I?
You write on me and secrets I can keep in places never seen. I spin like a top. Though stiff as a board, I'm often described like a mop. What am I?
Against the sun I protect your eyes and am often worn on the face of spies
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.