In order to ease your choice, check MeinStudium. It offers a self test, a programme filter, video sequences about singular degree programmes et al. A filter by subject and degree (in German) offers you short information on any degree programme you are interested in.
As a student from abroad, not being capable of German, look at the range of degree programmes taught in English or languages other than German.
For a first overview of the Faculty’s degree programmes, make use of the booklets on Bachelor and Master courses. 
As an exchange student or a free lancer, have a look at the English taught courses at the Faculty.