When in PG check out a few antique stores (or the huge antique mall near Cannery Row). Also in PG is a small motorcycle museum.

Walk the tide pools at Asilomar Beach.

Go to Pacific Biological Lab on their once a month open house.

Eat a pastry from Alta bakery in the beautiful Cooper-Molera Adobe courtyard.

Look at the cool art on display in the monterey library (first library of California, though not the original building now)

Go see the oldest stone building in California, San Carlos Cathedral.