Sculpture Park

Illinois
AIC: Public Art..
Chicago Athenaeum's International Sculpture Park

Governors State University: Nathan Manilow Sculpture Park, IL
Nathan Manilow Sculpture Park - I [North Trail].. 
Nathan Manilow Sculpture Park - II [South Trail].. 

Oregon
Oregon Sculpture Trail

Urbana-Champaign, IL
Wandell Scupture Garden in Meadowbrook Park, Urbana, IL
UIUC: Public Art

Michigan
Grand Rapids: Fredrick Meijer Sculpture Park
Grand Rapids, Michigan [Frederik Meijer Sculpture Park - Part I].. 
Grand Rapids, Michigan [Frederik Meijer Sculpture Park - Part II].
Grand Rapids, Michigan [Frederik Meijer Sculpture Park - Part III].. 
Grand Rapids, Michigan [Frederik Meijer Sculpture Park] .. 

Indiana
Westville: Purdue University North Central Sculpture Park
Purdue North Central Campus Sculpture Park.. 

New York
New York City
New York City: MOMA: Sculpture Garden...
Not necessarily Sculpture Park, but worth mentioning..
Noguchi Museum..
Art Deco Artwork in-&-around Rockefeller Center & more..

California
Los Angeles
LACMA: B. Gerald Cantor Sculpture Garden..
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