(17 W. Adams Street, 312-427-3170).
It's the oldest continuously operating restaurant in Chicago and offers up a wide variety of German food and other fare.
"Willis Tower Skydeck"
The Willis Tower Skydeck is open for tours seven days a week and offers unparalleled views of Chicago, portions of Wisconsin, Indiana, outstate Illinois and lower Michigan on a clear day... when you can also see the entire lower end of Lake Michigan, one of the largest freshwater lakes in the world.
"The Lincoln Home"
The Lincoln Home National Historic Site is where Abraham Lincoln lived before he moved to Washington D.C. for a certain job. The home itself is located here (413 S. 8th Street, 217-492-4241). The home has been restored to its 1860 appearance, with plenty of unaltered originals inside to make it more than just a nice looking restoration.
"The Gateway Arch"
From Route 66 you get a glimpse of the iconic Gateway Arch and downtown St. Louis while crossing the Mississippi.
"Anheuser Busch Brewery"
1127 Pestallozi Street (corner of Lynch, a few blocks east of Route 66/Tucker Blvd) 314-S77-2626. Check out a tour of the Brew House, the Clydesdale Stables, Beechwood Lager Cellars and the Packaging Facility.
"The Maramec Spring"
The Maramec Spring discharges 96 million gallons of water on an average day; it's become a National Natural Landmark with karst topography, caves and the ruins of an historic iron works.