3D maping

hay i need a 3D map of a countrysideal area including buildings and topographical survey / geographical survey (including soil layers and how far down they are) i no this is a bit much to ask of 1 application especially as i could do with it being free so if there any solutions (free or not) that could help. i can also use multiple programs but must be mac basted. compatible with Google sketch up free edition (i can get the paid version if necessary).

thanks and good like hunting.