Answer:
My first is a creature whose breeding is unclear. My second, a price you must pay. My whole can be found in the river of Time and refers to events of today.
Hoofed frolicking.
Who is he that runs without a leg. And his house on his back?
Each of these ends in a kettle full of precious metal and the double variety is quite awesome
A circle of stones, never in rows. Stacked one on the other, mystery it sows. What is it?
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.