Travelling problems

I have always said i wanted to go travelling whilst i was young…. 6 years later i am now 22 and nearly another year older and have not done what i wanted to do, so i thought i would have a look at travelling America and other countries, after about 8 minutes i decided to give up my god it is confusing ! if anyone knows any good sites to help plan i would appreciate it! i am as confused as they come