Answer:
What has roots as nobody sees, is taller than trees. Up, up it goes, and yet never grows?
A home of wood in a wooded place, but built not by hand. High above the earthen ground, it holds its pale blue gems. What is it?
What relies on columns but isn't a house, and asks for help but can't speak itself?
You throw away the outside and cook the inside. Then you eat the outside and throw away the inside. What did you eat?
What has a head, a tail, is brown, and has no legs?
People take me on walks and I run and have fun. What am I?