You'll want to check out Wikipedia for a nice history and overview of Las Vegas:
I also have some notes from the PBS Las Vegas special here along with a lot of pictures from the Las Vegas Strip, Fremont Street, and more.
This blog is almost exclusively dealing with the travel and tourism side of Las Vegas, one of the world's hottest destinations. However there is a lot more to this city including the University of Las Vegas, residential neighborhoods, parks, and much much more.
We'll post Las Vegas relocation information in the future and more about retirement in Las Vegas, but for Las Vegas Retirement information click here.
For USA Retirement information check out the Retire USA Blog