Yes the Wild Animal Park is very special, however, it really is not INT san Diego, it is inland about 45 minutes away, but worth the trip if you have the time. Yes they still have the tour--here is the info
PHOTO CARAVAN
at the San Diego Zoo's Wild Animal Park
A Photo Caravan at the San Diego Zoo's Wild Animal Park opens the gates to a world of coexistence among hundreds of exotic animals. Your adventure leads you through the exhibits of East and South Africa, the Asian Plains, and the Asian Waterhole in an open-air vehicle. Be prepared to have your cameras ready, because you may see a herd of gazelles or impalas, or get the opportunity to feed a sky-high giraffe.
Because of their popularity, tours run seven days a week, year-round (weather permitting). Passengers ages 8 and older are eligible.The tour price includes admission, parking, Wgasa Bush Line Railway tour, animal shows, and exhibits. For information and reservations, please call (619) 718-3050 or 1 (800) 934-2267 (toll free). Make a reservation for a group of 10 or more by calling (619) 718-3000.These tours, sponsored by Kodak®, are available by reservation only (truck capacity is limited). Please see chart below for prices and departure times:
Reservations: Required (619) 718-3050
Fee:
$83.95-$145
Audience: Families and Adults
Meets at:
Duration: 1 3/4 hours or 3 1/2 hours
http://www.wildanimalpark.com/wap/homepage.php3