In Chicago, Halloween is the biggest holiday of the year after Christmas.
The city puts on a big cultural party in and around Millennium Park. Navy Pier has a party over two weekends. And everybody dresses up.
Details: For more, see Halloween in Chicago.
In fall, there's nowhere more spectacular than Devil's Lake State Park, the most-visited park in Wisconsin.
The Ice Age National Scenic Trail loops around it atop 500-foot quartzite cliffs, giving hikers one great view after another.
What to do: Hike the West Bluff and East Bluff trails around the lake. Go to nearby Parfrey's Glen natural area. See all 15 species of cranes at the International Crane Foundation. Visit Circus World Museum in Baraboo.
In fall, Door County's many apple orchards, pumpkin patches and vineyards provide eye candy for tourists, who flock in on weekends.
What to do: Hike in five state parks, 18 county parks and 28 natural areas. Shop at orchard markets and dozens of galleries. Go to a fish boil. Tour wineries and lighthouses, even haunted lighthouses.
Details: See Fall in Door County.
In the 1830s, miners from Cornwall county in England arrived to work the lead-mining boom in Mineral Point, Wis.
The stone cottages they built were restored and now are part of the state historic complex Pendarvis and Shake Rag Alley arts center.
Details: For more, see Cornish in Mineral Point.
On a lovely day in fall, the 52-mile stretch between Taylors Falls and Prescott has everything a tourist could want shops, historic houses, theaters, train excursions, boat cruises and scenery.
Details: For more, see Autumn along the St. Croix.