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Photo: The original uploader was Mrwrite at English Wikipedia., Public domain via Wikimedia Commons
This state park is a beautiful, mossy area that used to be a logging site. It's great for hiking and mountain biking. Although most people don't know this, it is the site of the 1989 Loma Prieta quake epicenter.
The Forest of Nisene Marks State Park is a state park of California, United States, protecting a secondary forest in the watershed of Aptos Creek and Soquel Creek within the Santa Cruz Mountains. It is located outside Aptos, California, and contains over 40 miles (64 km) of hiking trails and fire roads through 10,223 acres (4,137 ha) of variable terrain.
© OpenStreetMap contributors
This beach can get crowded in the summer, but has some nice walks, a little visitors' center, and a striking centerpiece: the Palo Alto, a concrete ship with a strange history. It rots away in the water but is fascinating in a melancholy way. Read about it in the center if it's open when you're there (call ahead due to state budget cuts).