Located on a bend of the the San Antonio River at foot of King William is one of the oldest historic districts in Texas. Carl Hilmar Guenther, founder of Pioneer Flour Mills, built this elegant home in 1860. The restored house offers a museum featuring mill memorabilia. Of interest to collectors are the Dresden China anniversary plates made in Germany until WWII. Museum and River Mill store hours: 8 a.m.- 4 p.m., Monday-Saturday 8 a.m.- 3 p.m., Sunday. Restaurant hours: 7 a.m. – 3 p.m. daily. Free admission.