The Southern Cross and Orion's Belt (and the rest of the Orion constellation) are usually in the southern hemisphere's sky. You can see Venus quite a bit too, but it's not a constellation.
The main circumpolar constellations, which cannot be seen from the Northern hemisphere are Carina, Centaurus (Centaur) and Crux (Southern Cross). Carina is part of what used to be Argo Navis, a large...