Cleanup is progressing within Mackinac Island State Park. The park will be ready for the 2025 season. Learn more here 

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Category: Historic Mill Creek

Ancient Life at the Straits of Mackinac

When you visit the Straits of Mackinac this summer, we invite you to slow down (or even sit down) and ponder the earth beneath your feet. You never know – you may reveal evidence of ancient life which thrived in very different waters, nearly 400 million years ago!

What’s New for 2025?

 As the calendar flips to 2025, the Mackinac State Historic Parks team is hard at work protecting, preserving, and presenting the rich history of the Straits of Mackinac by creating new exhibits, galleries, and tours, improving visitor experiences, celebrating a major anniversary, expanding our collections area and library, and finishing major infrastructure improvements on Mackinac Island.

A glacial erratic boulder found on the Lake Huron lakeshore, brown or rust colored with a black stripe.

Lost Rocks & Mackinac Millstones

The millstones currently on display at Historic Mill Creek are the originals, and they had a wild ride to get back to the site. But also – how were they made? And how did those rocks end up here at the Straits?

What’s New for 2023?

As the calendar flips to the new year, the Mackinac State Historic Parks crew is busy preparing its historic sites and parks for an exciting 2023 season.