Extras

Video thumbnail: Great Lakes Now Shipwreck School

Great Lakes Now

Shipwreck School

Shipwreck School | Episode 1027/Segment 1

Shipwreck School

Video thumbnail: Great Lakes Now Sturgeon Guarding

Great Lakes Now

Sturgeon Guarding

Some volunteers are protecting lake sturgeon from poachers looking for valuable caviar.

Sturgeon Guarding

Video thumbnail: Great Lakes Now Sweetwater Sanctuaries

Great Lakes Now

Sweetwater Sanctuaries

The Great Lakes could soon host new marine sanctuaries | Episode 1027/Segment 2

Sweetwater Sanctuaries