san francisco: journey down to pier 45 on the embarcadero for an epic adventure into the creepy museum of antique penny arcade games. be sure to take plenty of quarters with you to witness the century old "games" including the bizarre opium-den, a graphic french execution, and an uncomfortable jolly jack laugh. If you're prone to nightmares and hate fun, i suppose this isn't the place for you.
san francisco: take a trip across the golden gate bridge and follow the road toward mount tam. you'll come across a small parking area before you get to the top that leads into the woods. follow a map down the steep, rocky paths to the bottom where you will be greeted by alpine lake. take note as you head downward that the hike back up will not be as fun.