Aquatic Park, near San Francisco’s Fisherman’s Wharf is a favorite of hardy swimmers. They can be seen most any time of day, in any weather. The cove, formed by two curved piers, is usually placid. Strolling along the Aquatic Park Pier, you’ll have panoramic views of the Golden Gate Bridge, Alcatraz and The City. (Locals insist it’s capital “T” and capital “C”) Warning signs tell you, though that the pier may not hold up under your weight. You could be a sea lion’s tasty snack.