Of course in 1773, there was a U.S. it was the Carolina colony.
USS Hornet Museum. It floats. From early naval history to the moon landing. Its a great place to explore. Alameda CA.
Pacific Bus Museum. Fremont, CA. Who knew?
Hayward Area Historical Society Museum. Hayward, CA
Columbia State Park, Museum. Columbia, CA
Rosicrucian Museum. San Jose, CA.
Railtown 1897 Historic Park. Jamestown, CA.
Oakland Air Museum, very cool aviation museum. It would have to be located on Earhart Rd. named for Amelia.
San Francisco Museum of Modern Art. San Francisco, CA.
Museum Mecanique, San Francisco, CA. Amusements from the last century.
Santa Cruz Surf Museum, Sant Cruz, CA
Western Railway Museum. Rio Vista, CA.