If you’ve ever driven through Southwest Montana on I-90, you’ve probably noticed the lone smoke stack standing sentinel near Anaconda. That’s the iconic Anaconda Smelter Stack - one of the tallest free-standing masonry structures in the world.
For over a century, the smelter processed copper ore from Butte, and the stack belched thick smoke out over the valley. The public has been forbidden from visiting it for nearly four decades. But this year, for it’s 100th anniversary, tours of the stack are being offered. I hopped on one Thursday.