Milwaukee has a number of good attractions:
Milwaukee Public Museum-has exhibits like a butterfly room, European village, and rainforest replica. There is also an IMAX theater
Milwaukee Art Museum-is an impressive lakefront building designed to resemble a sailboat, and contains much great art
Maier Lakefront Festival Park-This is where the world's largest music festival, Summerfest, is held. Other festivals are held here as well.
Miller Brewery Tours - The Miller brewery, 4251 West State St, a couple miles west of downtown, offers tours and samples.
Additionally, the city has many neighborhoods such as Bay View, Brady Street, Bronzeville Martin Luther King Dr., Riverwest and Third Ward which are known for shattering the stereotypical "beer, brats and bowling" views of many outsiders. These areas tend to pride themselves on their racial and/or social diversity and each are home to an eclectic mix of ethnic restaurants, shops, clothing boutiques, bars and nightclubs.
Madison is the state capital. The capitol building has one of the world's largest domes. The University of Wisconsin has several small museums and a large hill crowned by Bascom Hall. Connecting capitol square and the university is State Street, with many shops and ethnic restaurants. Other attractions include the Olbrich Botanical Gardens, UW Arborteum, and Henry Vilas Zoo.
Wisconsin Dells has many touristy attractions:
Noah's Ark - world's largest waterpark
Mt. Olympus-Competing water and go-gart park
Wisconsin Ducks & other tours-The Ducks and other boats provide tours of the scenic bluffs along the rivers of the area
Mini Golf Courses-There are many, like Pirate's Cove
Door County is a scenic peninsula with numerous sites. Peninsula State Park is the third largest in the state and has beaches, campsites, a lighthouse, and an observation tower high on a bluff. There are several other lighthouses, and wineries. The county is also well known for its cherries, and there are many stands selling them. Boats run to Washington Island off the northern tip, through an area littered with shipwrecks.