Why do casinos always use such dizzy-patterned carpeting? I've even noticed this at Indian casinos here in Michigan. Not only is it ugly, it also makes it hard to find coins I've dropped on the floor.

Do you know of any Las Vegas casino that has condominiums that are owned by private individuals? I mean actually in or on top of the casino, not just close by.

Who has the largest casino floor in the world?

What's the rule about using casino chips for anything other than betting? I've seen people tip the cocktail waitress with them and even pay for items in the gift shop. Is this always a breaking of the law and/or casino policy?

I know that when some of the Las Vegas buffets close at the end of the day, the leftover food finds its way down to the employee cafeteria. But are there any buffets that make extra food available to the homeless or poor?

What's the story behind that large piece of the Berlin Wall in the gentlemen's restroom at Main Street Station?

Do any casinos/hotels offer free access to the Internet or for checking your e-mail while on vacation when you don't have a laptop and need an actual computer to do so?

Are any of the casinos smoke-free? Is there a list of casinos that have no smoking areas?

I will be arriving in Las Vegas on my birthday this year. Do any of the casinos or restaurants give out good birthday specials?

In a previous QoD answer, you mentioned that the Rio and Palms skip floor numbers in the 40s. Why is this?