Historical Sites Search Directory Harrison Smith Park Harrison Smith Park Home 525 E Wyandot Ave Upper Sandusky Ohio 43351 home Show Map Indian Mill State Memorial & Milling Museum Indian Mill State Memorial & Milling Museum Home 7417 Co Hwy 47 Upper Sandusky Ohio 43351 home Show Notes Show Map Notes Open Memorial Day – October Friday & Saturday: 9:30am – 5:00pm Sunday: 1:00pm – 6:00pm Old Mission Church Old Mission Church Home 200 E Church St Upper Sandusky Ohio 43351 home Show Notes Show Map Notes Open June, July, and August Friday, Saturday, and Sunday: 1:00pm – 4:00pm Wyandot County Courthouse Wyandot County Courthouse Home 109 S. Sandusky Ave. Upper Sandusky Ohio 43351 home Show Map Wyandot County Museum Wyandot County Museum Home 130 S. Seventh St. Upper Sandusky Ohio 43351 home Home Phone: 419-294-3857home Personal Email: wchs@udata.comINTERNET Show Notes Show Map Notes Open May 1st – October 31st Thursday – Sunday: 1:00pm – 4:30pm