Submarine Adventure Tours To The Bottom Of Great LakesSubmarine Adventure Tours To The Bottom Of Great LakesDid you know that the some of the cruise ships that sail the Great Lakes actually offer adventure submarine tours? Are they safe? Ken HayesKen Hayes
What Is A Tender + Why Do Cruise Ships Use Them In Duluth?What Is A Tender + Why Do Cruise Ships Use Them In Duluth?Why are these little boats running around the cruise ship? Why are they needed? Here's a closer look at the operation.Ken HayesKen Hayes