check out:
[quote]
http://www.hackthissite.org/[/quote]
This Site is a free, safe and legal training ground for h4ck3r$ to test and expand their hacking skills. More than just another hacker wargames site, we are a living, breathing community with many active projects in development, with a vast selection of hacking articles and a huge forum where users can discuss hacking, network security, and just about everything. Tune in to the hacker underground and get involved with the project.
what good about this site is you have your own account and continue where you stopped. you can also monitor your progress.