The views from Bayview Hill (420′) are amazing — a clear view from Sutro to the Bay Bridge.
There’s a nice trail that takes you all the way up to the top, and the plants are pretty distinct (PDF).
Cool WPA-era stairs (that are apparently covered with poison oak, so watch out).
Here’s what the very top of Bayview Hill looks like.
You can also see the Burrito Railgun in its native habitat:
And Sutro, naturally.
Behold Bernal and the tip of the GGB: