Www.secondlife.com..........qu… pls read if you know this site?

ok this is driving me CRAZY.....today i watched the richard and judy show and it was talking about this site as being the next most popular site after myspace, so i thought i'd check it out....well ive figured that im pretty stupid as i have everything set up but cant find anything....basically looks like im walking around a desert! ive tried everything and im really getting pi***ed off with it, but as im not one to give up, 4 hrs later im still trying to work it....pls pls tell me how to work it as the help page is not giving me an aswer to my problem.....pls help before my aviator kills herself in frustration, then again i wouldnt know how to even do that!!!! ahhhh