Deep River Waterpark
9001 E. Lincoln Hwy. (4-1/2 miles east of I-65 on U.S. 30)
Merrillville, Ind.
(219) 947-7850
Duneland Heritage Days
Chellberg Farm
Mineral Springs Road
Porter, Ind.
(219) 395-1882
Gibson Woods Nature Preserve
6201 Parrish Ave.
Hammond, Ind.
(219) 844-3188
Hammond Park Department
5825 Sohl Avenue
Hammond, Ind.
(219) 853-6378
Holland Museum
31 West 10th Street
Holland, Mich.
(888) 200-9123
Homewood Flossmoor Park District
3301 Flossmoor Road
Flossmoor, Ill.
(708) 957-0300
Indiana Dunes National Lakeshore
1100 N. Mineral Springs Road
Porter, Ind.
(219) 395-1882
Indiana Dunes State Park
Indiana 49
Chesterton, Ind.
(219) 926-1390