Don’t let its small size and recently upgraded designation deceive you: Indiana Dunes National Park’s biodiversity ranks seventh among the parks. https://on.natgeo.com/2ToEnNI

Don’t let its small size and recently upgraded designation deceive you: Indiana Dunes National Park’s biodiversity ranks seventh among the parks. https://on.natgeo.com/2ToEnNI 

https://twitter.com/NatGeoTravel/status/1101278403255242752