hackthisiste?

hackthissite.org is gone i cant get to it at all. does any one know a similar site? its important i learn at least the basics of white hat hacking so that i can improve the security systems of my web pages i dont need it yet but i am about to start the programing aspect of colage (aka my major!) i want to be able to be able to fined the flaws in my security for my sites befor they put me in an intership! this is awful! please if you know a simialer site please let me know.