Answer:
I sit in a corner while travelling around the world.
Canine children.
I go up when the rain comes down. What am I?
I am a precious stone, as clear as a diamond. Though you can walk on water with my power, try to keep me, and I'll vanish in an hour. What am I?
What gets broken without being held?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.