There are giants in California. They jut out of soil dampened by fog rolling in from the Pacific and reach greater heights than any other living thing on the planet. They are the coast redwoods: the world’s tallest trees. Many of them grow to be over 200 feet tall and the tallest soar to over 350 feet -- higher than a 30 story skyscraper.
Beacons that once guided sailors safely to shore, relics of pre-GPS navigation, and monuments to maritime culture, lighthouses are typically a hallmark of hazardous coastline, found often in places that are particularly rugged and dramatic.
There are a million things to do in San Francisco -- for visitors, internet research is great but can quickly lead to information overload. Once you hit the ground in SF, the San Francisco Travel association's newly renovated Visitor Information Center is like a live-and-in-color Google search result.