Marcus elevated Commodus to the position of co-Emperor and then died a few years later while campaigning in the north.
The Column of Marcus Aurelius (click on the image for an impressive amount of detail):
The column used to be topped by a statue of Marcus, but was replaced by a statue of St Paul in the late 1500s (Trajan's column was topped by St. Peter at the same time).
Marcus confronts German prisoners:
Marcus passing judgment from the seat of Justice:
A German council of war: