Twelve stops, one working harbor city, and the world's largest freshwater lake as your backdrop. A treasure hunt through Duluth doesn't hide its clues in medieval alleys — it hides them in rivets, marble floors and canal water, waiting for anyone who looks twice.
How the treasure hunt works
The route opens right in your browser, with no app download and no account. It guides you from stop to stop; at each one you read the story of the place and crack a puzzle whose answer is hiding somewhere around you — on a facade, a plaque, a detail most visitors walk straight past.
Hunting between steel and water
Inside the Historic Union Depot, marble floors and stained-glass windows still breathe the grandeur of the railway era — and hold more detail than one glance reveals. Down at the quay lies the William A Irvin, a steel ore carrier with an unexpected secret: it once had a swimming pool on board. The creaking boardwalk of the Duluth Lakewalk carries you on toward Canal Park, where terraces and artworks now stand where cranes and trucks once ruled. Which puzzle belongs to which place? That stays part of the game.
Why Duluth makes a great hunting ground
Most treasure hunts lean on cobblestones and castles. Duluth gives you scale instead: locomotives the size of houses, a ship hundreds of feet long, a lake that behaves like a sea. Big machines carry small details — exactly the kind a good puzzle asks you to find.
Good to know
The full walk is about 4.4 kilometres and takes 1.5 to 2.5 hours, depending on your pace and how long you linger. You can pause anywhere and pick the game back up later. The tour is free to play, and all you need is a phone.
Ready to read Duluth like a member of the crew? Start the treasure hunt in the CityWalkGems app and see what the city lets you find.
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