Missed three, but some where actually impossible to tell. The chair and table for example, i guess it is photo, but then again that it something we even could do with bryce and a bit of photoshop. Actually i guess they all could be done with bryce.

Robert van der Veeke Basugasubasubasu Basugasubakuhaku Gasubakuhakuhaku!! "Better is the enemy of good enough." Dr. Mikoyan of the Mikoyan Gurevich Design Bureau.