If you happen to be visiting San Francisco, consider sparing a day or two for a two-hour jaunt south to Monterey, one of California's most beautiful and historic cities and stretches of coast, and home to the famous Cannery Row, made famous by the novel by John Steinbeck, and a bay that's the world's third-largest marine sanctuary. In addition to enjoying the sophisticated small-town feel the the city itself and the pricey but very well done aquarium, nature-lovers can...   keep reading