1. We have a Wave Organ that literally turns waves into music.
2. There are dog treat and cat food vending machines in Duboce Park.
3. And a pet cemetery in the Presidio.
4. There's a gold fire hydrant in the Mission.
5. We have nearly 70 privately owned public spaces throughout the city, where you can go to work, write, or just hang out.
They're maintained by private businesses, but are open to the public. Here's a map.