Fancy yourself as an arm chair Sheldon Cooper, or are you more of a Boson the clown? Cern have made some of the data from the LHC available via their open data project. Various data sets and visualisation engines are available along with educational material to help make a bit more sense of it. This is all available from their OpenData site.
But in the words or Homer Simpson: “There’s so much I don’t know about astrophysics. I wish I’d read that book by that wheelchair guy.”