Students from Phoenix Military Academy search for amphibians during the 2016 BioBlitz events at Indiana Dunes NL. Original… https://www.rawpixel.com/image/4036945/photo-image-people-forest-natureFree Image from public domain licenseThe shoreline in Indiana Dunes State Park, encompassing 2,182 acres of beaches, sand dunes, and marshes along Lake Michigan… https://www.rawpixel.com/image/2346707/photo-image-cloud-plant-treeFree Image from public domain licenseScene at Indiana Dunes State Park, encompassing 2,182 acres of beaches, sand dunes, and marshes along Lake Michigan in… https://www.rawpixel.com/image/2346703/photo-image-public-domain-america-carol-highsmithFree Image from public domain license