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• 3/24/25
Under Detroit, There’s a Huge, Active Mine (Here's How It Works)

For more than 100 years, the Detroit salt mine has been pulling millions of tons of rock salt out of the ground. But considering Michigan is surrounded by fresh water... where did all that salt come from?
• 2/6/26
The Doomed City of Belvidere, Michigan

Belvidere* was supposed to rival Detroit. It was going to be America's next great port city. There's a reason you've never heard of it. (*Not to be confused with the current town of Belvidere, Michigan, which is not at all doomed so far as I can tell.)