Pictures of the nearby Golden Gate Miniature Railroad. A club maintains the railroad, which is open to the public on Sundays (we went on a Monday holiday and so the GGMRy was closed).
Pictures in the roundhouse:
We then walked up part of the Sea View Trail, which is a fire-trail that you can find right by the upper parking lot for the train area. Here are some of the views from the trail. First, facing West:
The trail passes by several telecom towers:
The view facing East:
Mt. Diablo in the distance:
Looking down on Lafayette Reservoir: