Google "3D ultrasound _____" and your city in the blank. I went to one in Palm Springs. It'll be a private place that just does the 3D ultrasound. I got one cuz the hospital I go to won't do the anatomy/gender scan til 20-22weeks!

There are places you can go that do ultrasounds.

There are places that just do 3d 4d ultrasounds for you outside of your doctor. Look around your area. i'm sure there is one near you.