Anselm Kiefer

First impressions are this is a little messy, with obvious thought or meaning, but look closer, stare for a while in the detail, let your mind wonder and wander. These really need to be seen in person to appreciate them...

http://www.ibiblio.org/wm/paint/auth/kiefer/

Also try:

http://www.artcyclopedia.com/artists/kiefer_anselm.html