If you live in Wisconsin, a bit of the ocean might be closer than you think. Millions of years ago, a giant sea covered much of what’s now North America, and in some places, coral reefs formed. In Grafton, a city park is now built on top of one of these ancient fossil reefs. Lime Kiln Park is a historic Wisconsin place that’s also home to some impressive ruins, as well as bits of the old reef. The park is well worth a visit – here’s what you need to know.

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Learn more about Lime Kiln Park on the Village of Grafton website. When I was a boy, I was amazed by some of the fossils I discovered on Wisconsin beaches – I would have loved this place! If you need some gear for your next fossil hunt, REI has you covered. And here’s where to find more of the state’s best attractions.

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