The Sophienburg Museum and Archives is a public museum located in New Braunfels, Texas, United States. It was established in 1933 as a museum and library by residents of New Braunfels. The library section of the building would eventually be converted into the city's archive. It occupies the site of the former headquarters of the Adelsverein, the German colonization effort of Texas. The museum contains an extensive collection of artifacts which reflect the history and rich German-Texan heritage of the area. It is a Texas Historic Site.