Revit Origin

GOAL: find the origin (0,0,0) of a Revit 3D Building Model

STEPS:
  1. Double Click "Level 1"
  2. "View" Tab
  3. Visibility / Graphics
  4. + Site
  5. Check "Project Base Point" & Survey Point
  6. Apply
  7. OK

Origin will now show in red.

Specific to Revit 2012.  No guarantees past this.
REFERENCES
http://danielgijsbers.blogspot.com/2012/05/revit-origin.html