Petoskey, Michigan — As fall breezes roll in across the Midwest, there’s a magical stretch of shoreline that hides a prehistoric secret — and you can find it just by taking a walk! On the beaches near Petoskey, Michigan, visitors can stumble upon rare Petoskey Stones, ancient fossils that are over 350 million years old.
These beautiful stones, covered in sunburst-like patterns, are actually fossilized coral from a time when Michigan sat under a warm tropical sea. Each stone tells a tiny story of ancient ocean life — and spotting one feels like discovering your very own piece of dinosaur-era treasure!
Families love hunting for these natural wonders along Lake Michigan’s shores, especially near Petoskey State Park. It’s a free, relaxing adventure perfect for curious kids and nature lovers alike.
So next time you’re craving a crisp lakeside stroll, keep your eyes on the sand — your next great find might be a piece of Earth’s ancient history.
Free and open to the public.
For more information, visit the Michigan Department of Natural Resources website.
