SEARCH RESULTS Henning Landmark Center 415 Douglas AvenueHenning, Minnesota 56551 Historic Fort Juelson 21316 315th AvenueUnderwood, Minnesota 56586 ITOW: A Veterans Museum 805 West Main StreetPerham, Minnesota 56573 Otter Cove Children’s Museum 105 West Lincoln AvenueFergus Falls, Minnesota 56537 Otter Tail County Historical Society & Museum 1110 West Lincoln AvenueFergus Falls, Minnesota 56537 Phelps Mill 29029 County Highway 45Underwood, Minnesota 56586 Prospect House Museum 403 Lake Avenue NorthBattle Lake, Minnesota 56515 The Historical Museum of East Otter Tail County 230 1st Avenue NorthPerham, Minnesota 56573