Wilder died at the age of 92 on October 23, 1949, after suffering two heart attacks. Laura Ingalls Wilder died eight years later, on February 10, 1957. Their daughter, Rose Wilder Lane lived until 1968. All three of them are buried in Mansfield, and many of Wilder's possessions and handiwork can be seen today at Rocky Ridge Farm, as well as the Malone, New York, and Spring Valley, Minnesota, sites. The Rocky Ridge Farm is known today as the Laura Ingalls Wilder/Rose Wilder Lane Museum.