What's a place you have left but didn't enter?
My tongue hangs out as I run over fields and streets all day. I get tied up every morning and untied at night.
I hide but my head is outside.
It floats over the land, It cuts the tallest mountain, Its voice is like a fountain, Its body like a snake, Will flow into a lake.
A house of wood in a hidden place. Built without nails or glue. High above the earthen ground. It holds pale gems of blue.
Big as a saucepan, deep as a cup, Even a river can't fill it up. What is it