Answer:
A great mysterious place that the bold have been known to journey into.
Not born, but from a Mother's body drawn. I hang until half of me is gone. I sleep in a cave until I grow old. Then valued for my hardened gold.
When the son of the water returns to the parent, it dies. What is it?
What bird can lift the heaviest weight?
What has two hands, a round face, always runs, but stays in place?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.