What happens to the unclaimed items left in the hotel-casinos? Is there a public auction?

If something happens to my rental car while in valet parking, am I liable for the damages, since the valet is not technically an authorized driver? Or will the casino/hotel assume responsibility?

What moves the gondolas along the Grand Canal at the Venetian? It certainly is not the paddling, which is used only for steering by the gondolier. I watched it for about an hour and concluded that a current is generated in the canal, but I couldn't understand how it can be used in both directions after the gondola is turned around for the return trip.

Any rating on the new and revamped Mirage buffet? What is the price?

I understand the Hard Rock has a "swim-up" blackjack table. Where do the players keep their wallets/money? My bikini doesn't have any waterproof pockets.

Do casino chips ever lose their value? I have a $25 Hard Rock Hotel & Casino chip that was given to me in 1999. Can I cash it in at the Hard Rock for face value (or use it when gambling)?

Which casinos offer free blackjack lessons?

What ever happened to Vacation Village?

Is there an adults only hotel-casino in Las Vegas?

Are there any Strip hotels that have balconies? Green Valley Ranch does, but it's not on the Strip.