Answer:
Covered in stone and sun. It's home to many but also none. What is it?
What must be in the oven yet can not be baked? Grows in the heat yet shuns the light of day? What sinks in water but rises with air? Looks like skin but is fine as hair?
I'm sometimes white and always wrong. I can break a heart and hurt the strong. I can build love or tear it down. I can make a smile or bring a frown.
A house full, a yard full, a chimney full, no one can get a spoonful.
Pirates put their booty in it.
I have two bodies joined together as one. When standing still I run and run.