Answer:
A large oasis in the desert. Come with cash and leave with none.
I am round as an apple, deep as a cup. All the King's horses can't pull me up. What am I?
The most famous dinner
I hold two meanings. With one I may be broken with the other I hold on.
I always run but never walk often murmur but never talk have a bed but never sleep has a mouth but never eat.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.