There is quite a few broad topics suggested for the LHC[1], and even right now there are 3 other experiments running on it[2]. (ATLAS is the Higg's boson experiment, although it isn't just looking for the Higg's boson.)

[1]: http://en.wikipedia.org/wiki/Large_Hadron_Collider#Purpose [2]: http://en.wikipedia.org/wiki/List_of_Large_Hadron_Collider_e...