Fair price for a city-wide tour- this was a good way to take in a lot in a minimum amount of time so you can stop at just those spots that interest you. We booked reservations through Julia Travel for a dinner & flamenco show, but discovered that Julia dropped the ball (reserve seats directly with the restaurant, http://www.tablaocordobes.com).
Agree with everyone else- Gaudet's architecture is a sight to behold.
Took the shuttle into the old port area. All the cathedrals look the same to me; we walked, took photos, and ate a leisurely outdoor lunch at a port side restaurant. Beautiful day, enjoyable experience.
Followed the excursion director's advice and walked from the tender point to the palace. Took the palace tour (8 euros) through a about 6-8 rooms that looked very palace like (gaudy?), then walked to the Jardin Exotica. Be sure to use the elevators, as it's hundreds of feet above sea level.
While there, we stumbled across an included guided tour of a cave that goes down a couple of hundred feet into a couple of Luray Cavern like chambers.
Hopped on a local bus for a scenic return to the downtown area, a relaxing drink, and walk to the tender point.
Second time we've used this outfit for a private tour
As before, they were exceptional: right outside the building when we arrived, recent vintage 8-passenger Mercedes van, friendly, well-dressed English speaking driver/tour guide for 400 euros. He asked what we wanted to see/do and accommodated every request. Even recommended a sea food restaurant on the water in Amalfi that was tourist free (even though there were 8 tour buses parked at the small port.