Indiana Dunes is a beautiful place in Indiana where you can go play outside and explore lots of cool things! It's kind of like a big park, but with lots of sand dunes (big hills of sand) and a big lake.
You know how when you go to the beach, you play in the sand and the water? Well, Indiana Dunes is like a HUGE beach with lots more sand and a really big lake. And you don't have to just swim and build sandcastles - you can go hiking, camping, and even look at really cool animals and plants that live there!
People have been going to Indiana Dunes to play and explore for a long time, but scientists also study it to learn more about the plants and animals that live there. They want to make sure that everyone can enjoy the park and the creatures that live there for a long, long time.
So if you ever get the chance to go to Indiana Dunes, be sure to pack your sunscreen, your hiking shoes, and your sense of adventure!