Three local historic sites are featured in the Somerset County Cultural & Heritage Commission's 20th "Journey Through the Past" this weekend, Saturday, October 11 and Sunday, October 12, 12-4 pm. The Amy Garrett House in Rocky Hill, the Stoutsburg Sourland African American Museum in Skillman, and the Dirck Gulick House in Belle Mead, are three of more than 30 historic sites that will open to the public throughout Somerset County.