The Whaley House Museum is an 1857 century Greek Revival residence, theater, county courthouse, and general store. The building's owner, Thomas Whaley, had originally traveled from New York to California with the Gold Rush before setting up operation of joint venture general store. The execution of Yankee Jim Robinson, who attempted grand larceny, took place on the grounds in 1852. The site interpretation targets 1868 to 1871.
The museum offers orientation presentations with question and answer sessions, self-guided tours, guided tours, ghost tours, and docents to address questions. Reservations are required for group and guided tours. The site is partially wheelchair accessible. The website offers transcriptions of historical documentation.