Night in Balboa Park

I was wandering around Balboa Park in San Diego, just me and my Nikon.  It's a beautiful place, and I wish I had more than one evening to shoot there.  There are some awesome buildings there and I spent a good bit of time taking all sorts of shots.  After dark I was making my way back to find the car, and was lining up for a night shot of this tower, but could never get a clean shot with no cars.  So, I did the obvious and went for a long exposure with light trails.  Unfortunately all the traffic was coming towards me, meaning I couldn't get any cool red taillights, but hey it was a great time anyways!