Cost: Free

What to expect: Classic German food, Berghoff beer and root beer, live polka and more at Federal Plaza (Adams and Dearborn).

Why to go: You could win a three-day trip to the Ritz-Carlton Laguna Niguel in Dana Point, California, or a three-year lease for a 2010 Jaguar in raffles held to benefit the Mercy Home for Boys and Girls. And of course, the famed the famed Märzen-style Berghoff Oktoberfest beer will be on sale.

Additional info: Berghoff CEO Carolyn Berghoff will be on hand signing copies of her latest book, Berghoff Cafe Cookbook: Berghoff Family Recipes for Simple, Satisfying Food.

The entertainment schedule:

Wednesday, September 16
11:45 a.m.-2 p.m.: Johnny Wagner Band
5-9 p.m.: Maggie Speaks

Thursday, September 17
11:45 a.m.-2 p.m.: Johnny Wagner Band
5-9 p.m.: Sixteen Candles

Friday, September 18
11:45 a.m.-2 p.m.: Johnny Wagner Band
5-9 p.m.: Modern Day Romeos