by Susan Glaser, The Plain Dealer

CLEVELAND, Ohio – To people who grew up near the Great Lakes, these bodies of water are no big deal.

But to the rest of the world, they are extraordinary spaces that invite exploration, says Chris Conlin, president of Great Lakes Cruise Co., a Michigan travel agency that specializes in lake cruises.

Great Lakes cruising has experienced a renaissance in recent years, with new ships added annually and a growing number of passengers sailing the waters every year.

Ports of call, too, have been added and evolved.

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