Lost during 1930s

Illinois & Michigan Lateral Canal @ Ottawa (LaSalle County, Illinois)
Canal connected I&M canal to Ottawa, emptied into Fox River
Minertown-Oneva (Forest County, Wisconsin)
Rose Island Amusement Park (Clark County, Indiana)
Ruined Amusement Park in Charlestown State Park
Sheridan Tavern (Gallatin County, Illinois)
Waldo Stadium (Kalamazoo County, Michigan)