Good Riddles

Question: What is the Capitol of Las Vegas

Question: A man is on a game show. To win the game show and get a car, he must exit an empty room exactly one 1/2 hour later. He is given one candle that lasts exactly one hour and a lighter. Exactly 30 min later the man exits the room and wins his car. How did he do it?

Question: What is green and has wheels?

Question: What takes you up and brings you down but never moves?

Question: What is in the valley of the glass doors. Listen to the words the houses have no roofs or doors, it just has walls. So what's in the valley of the glass doors?