Many argue that you should travel the place to get better knowledge about that while other believe they can get same idea by watching TV and using Internet. I am with the former viewpoint that travelling the place gives the best.
First thing is we should go out and see if the things which we have seen or we have studied are real or not because there is a big difference between books and reality so exploring things by your own gives you better experience and knowledge. For example there is a big difference between practical and theory. The television and internet is giving us theory and going out and exploring things is practical.
In addition, when we go out and explore things we got to know it more precise then any internet knowledge. On the other hand we meet people and we know about there culture by them who perform that we get to know the real thing based on the exact ritual they follow. There can be a mistake on internet but when we get to know things from the person wo actually do that there will be no mistake. The best thing will be the experience which will make your mind and body healthy. Siting in a room and surfing over the internet will not give you any benefits so better take a step out and face the world.
In brief a person can develop their body and mind both by travelling and it really going to give you a best life time experience which you can remember in old age. So better to experience things by going out you will get the raw things.