What are some good things to do in San Diego/LA for a birthday?

I'm celebrating my birthday this weekend with a friend who will be coming into town. We've been to the Zoo and Wild Animal Park, but are looking for some other attractions here or nearby, somewhat affordable. Just looking for suggestions- events, restaurants, etc.What are some good things to do in San Diego/LA for a birthday?
Have you thought about any of the following things to do in San Diego? (http://www.sandiego-romantics.com)



* Ride a gondola

*Kayak through the LaJolla Caves

*Check out the panoramic view from Mt. Soledad

*Hiking or biking

*A bay cruise

*Watch a spectacular sunset

*Explore Balboa Park

*Sample San Diego and Temecula wines
It depends on your age. There is the Carlsbad Flower Garden, Sea World and Temecula Wine Country. At night there are a ton of clubs to party at in the Gas Lamp District.What are some good things to do in San Diego/LA for a birthday?
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