Planet Money helps you understand the economy.

We find the people at the center of the story.

Garbage in New York, that was like a controlled substance.

We show you how money influences everything.

Tell me what you like by telling me how you spend your money.

And we dig until we get answers.

I had a bad feeling you're going to bring that up.

Planet Money finds out.

All you have to do is listen. The Planet Money podcast from NPR.

It's Curious City, where we take your questions about Chicago and the region, and investigate,

report, explore, from WBEZ.

Hey, I'm Jesse Dukes.

Like a lot of Chicagoans, I like to go to Wisconsin,

especially to go hiking, climbing, and camping.

And I recently learned Wisconsin has thousands of ancient earthworks

built by Native Americans.

They're called effigy mounds,

and are made from soil sculpted into three to six foot high shapes.

They're shaped like eagles, bears, and things that look like turtles or lizards.

They can be a hundred to a couple hundred feet long.

Wow.

Effigies are monuments, and they're monumental construction.

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