The Enchanted Highway.
An un-numbered stretch of black top between Gladstone (on I-94) and Regent (on hwy 21), about 32 miles south. All of these are very large metal structures. Listed going south from I-94.

Geese in Fight    2001. The driveway to this sculpture is lined with hundreds of smaller geese.

The Deer Family    2002

Grasshoppers in the Field    1999

Fisherman's Dream    2005

Pheasants on the Prairie    1996

Teddy Rides Again    1993

Tin Family    1991

Misc. stats:
The sunburst behind the geese is 156 feet wide and 110 feet high.
The large grasshopper is 50 feet long and 40 feet high.
The fish jumping out of the water is 70 feet long.
The pheasant rooster is 70 feet long.
Tin Pa is about 45 feet tall.