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It's Curious City, where we take your questions about Chicago and the region, and investigate, report, explore, from WBEZ.

Hey, I'm WBEEZ producer Miles Brian.

And I just want to give you a quick warning that our story today contains some adult content,

specifically a reference to a sex club.

Okay, let's start with something about me.

I love living in Chicago, but I'm not from here.

I'm from Minneapolis, Minnesota, where there are a lot of ethnic Scandinavians. And something Scandinavians really love to do is sit and sweat in the sauna. So I consider myself a bit of a sauna connoisseur. I even wrote an ode to the sauna for a college writing course. We're in danger of losing the war to exposure.

But Finnish troops had one resource that the Nazis did not.

They had the sauna.

The civilian inhabitants of...

So I got really excited when I heard this curious city question from Anna Erickson,

who lives in Pilsen.

There's an old public bathhouse in my neighborhood.

...