Nation Get to know the Lake Michigan Triangle: The site of unexplained shipwrecks, disappearances dating back to the 1800s October 30, 2021Alisa M. Schafer, Manitowoc Herald Times ReporterComments Off on Get to know the Lake Michigan Triangle: The site of unexplained shipwrecks, disappearances dating back to the 1800s Like a northern version of the Bermuda Triangle, the Lake Michigan Triangle has been the site of unexplained shipwrecks dating back to the 1800s.