Infamous for its maximum security prison, Alcatraz is also known for remnants of an 1850s military fort, the West Coast's first lighthouse, the birthplace of a Native American movement, an important bird-nesting locale, and the historic Alcatraz Gardens.

Gaze in wonder towards the Bridge and Marin Headlands from outside the Golden Gate at mile-long Baker Beach. It's nestled at the foot of rugged cliffs on the Presidio's western shore. An easy stroll from the parking lot, you'll find a picnic area with tables, grills, and restrooms.

Discover one of the parks' richest wetlands along the lush coast west of Mt. Tamalpais. Bolinas Lagoon is a 1,100-acre tidal estuary between the eccentric village of Bolinas, Highway 1, and the sandy arc of Stinson Beach. Its pristine, water-snaked marshes are home to a fascinating diversity of bird life.

People do not just visit Muir Woods. They come from around the globe to pay homage to nature in this cathedral of redwoods. The trees' ages range from 400 to 800 years, their height up to 250 feet. Flat easy trails loop through the groves and across creeks. Parking can be an issue.

See what a community can do when they are inspired to transform a site that was once an abandoned airfield. Today its restored tidal marsh is a vibrant environmental showcase, bordered by a popular promenade, expansive meadows, and a renowned education center.