The National Oceanic and Atmospheric Administration manages the National Marine Sanctuary System — underwater parks that preserve important cultural and natural resources.
The Great Lakes are home to three of these sanctuaries, with a fourth potentially on the way.
“There’s many nationally significant historic sites that are beneath the waters of the Great Lakes,” said Russ Green, superintendent of the Wisconsin Shipwreck Coast National Marine Sanctuary.
Green spoke with us about the three sanctuaries in the Great Lakes and what each one has to offer.