I have mentioned the Arizona tour website before. Here is the link to the Ghost towns page: http://www.arizona-leisure.com/ghost-towns.html
We have picked two whose descriptions matched what we were looking for.
1- Oatman, AZ. Not exactly 100% what we were looking for, because it is not an abandoned ghost town, but it does have some interesting attractions as it is a tourist destination. It is 2 hours away from Hoover Dam so we might just go there before we hit our motel for the night.
2- Vulture City Ghost Town - 100% what we are looking for. A town where everyone has packed up and left and it is completely uninhabited. There is a lot of websites out there that talk about it and even offer tours (such as four-wheelers tours), but the legitimate website seems to be the one I got as a link form the Wickenburg Website http://www.ci.wickenburg.az.us/index.aspx. Click on About Wickenburg, and on Things to do in Town
Then the link to the offical tour place is on item number four - Vulture Mine Tours.
They are 2 hours guided tours.
Cost: $10/person (CASH!!!!! take cash on your vacation, you frequently come across places like this. What a shame to miss out on a great tour because you didn't bring pieces of that green paper)
There is only one disappointment - our Saturdays are nowhere near this place - I really mean nowhere near (even for Western standards, because of our flight schedules).
So I emailed them and asked if we can at least walk around. I am still waiting to hear from them.