 Other major landmarks of the city include the Central Emporium shopping mall and the Iowa Great Lakes Maritime Museum and the Iowa Rock 'n' Roll Hall of Fame.Rock'n'Roll has a storied history in the area.The old Roof Garden Ballroom in Arnolds Park, on West Lake Okoboji, for example, once attracted the likes of Jerry Lee Lewis, the Everly Brothers, the Guess Who and even country music legend, Johnny Cash, according to The Daily Globe, a Worthington, Minnesota-based newspaper.