7. Queen Mary at Long Beach

The famous RMS Queen Mary is a retired ocean liner now docked in Long Beach. The ship sailed the North Atlantic from 1936 to 1967 but currently operates as a hotel and museum of 1930s nautical history. The observation deck bar offers a stunning ocean view. According to legend, the ship is haunted. A special tour takes visitors to the areas of the ship with the most paranormal activity. Overnight stays and dining are also available.