Alcatraz Island - 5 Things to Know Before Visiting

The SS Jeremiah O'Brien is one of two remaining fully functional Liberty ships of the 2,710 built and launched during World War II. Now based in San Francisco, she is a rare survivor of the 6,939-ship 6 June 1944 D-Day armada off the coast of Normandy, France.

The USS Pampanito is a meticulously restored World War II diesel-electric powered submarine. Located at Historic Pier 45, in the heart of Fisherman's Wharf, Pampanito is both a museum and a memorial to those who served in the "silent service." Built in 1943, Pampanito made six patrols in the Pacific during which she sank six enemy ships and damaged four others. Open daily to the public, offering self-guided audio tours and docent-led tours.

The Musée Mécanique is a for-profit interactive museum of 20th-century penny arcade games and artifacts, located at Fisherman's Wharf in San Francisco, California. With over 300 mechanical machines, it is one of the world's largest privately owned collections.

Hyde Street Pier is home to the fleet of historic landmark vessels in the collection of the San Francisco Maritime National Historical Park, which is a unit of the National Park System. For a modest admission fee, visitors can board this fleet of turn-of-century historic ships.

The San Francisco Maritime National Historical Park is located in San Francisco, California, United States. The park includes a fleet of historic vessels, a visitor center, a maritime museum, and a library/research facility.

One of the popular tourist attractions in San Francisco. It roughly encompasses the northern waterfront area of San Francisco from Ghirardelli Square or Van Ness Avenue east to Pier 35 or Kearny Street. It is one of the busiest and well-known tourist attractions in the western United States. Other tourist attractions at the wharf include museums, souvenir stores, historical buildings, scenic vistas over the Bay and the famous sea lions at Pier 39.