Answer:
A large oasis in the desert. Come with cash and leave with none.
I have no voice but I can teach you all there is to know. I have spines and hinges but I am not a door. Once I've told you all, I cannot tell you more. What am I?
I taste better than I smell. What am I?
I go through a door but never go in and never come out.
It's red liquid but not liquid and it's not red. What is it?
Whatโs a carpetโs favorite sport?