The birthplace of a titan of American cinema.

A six-story-tall golden pyramid, surrounded by a moat.

A whimsical sensor instrument for Minneapolitans to play on their walks to work.

A treehouse assailed by the elements and the government, now gone.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

Secret hideaway for an alternative beach experience.

One of two giant blue cockerel statues erected with an intentional double meaning.

This iconic water tower and failed bandstand is open for panoramic views once a year.

"Iron Age" creatures fill this huckster's rusted metal sculpture garden.

The notorious couple camped at this site after a bloody shootout with police.

As the glaciers retreated out of northern Wisconsin, this unique natural wonder was crafted.

Prolific outsider artist Sid Boyum's concrete sculptures add whimsy to Madison's Schenk-Atwood neighborhood.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

This punny mirror of another Wisconsin attraction is exactly what it sounds like.

The only place in America where anyone who wants can shovel coal aboard an antique train.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

Piled high inside this warehouse and coffee shop are salvaged goods that span every corner of the globe.

This forgotten beach house built to look like a Frank Lloyd Wright masterpiece overlooks a hidden beach.

Hidden in magnificent rolling countryside, see what may be the largest modern stone circle in the world at Wisconsin's very own "Stonehenge”

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

This cave holds a surprisingly colorful variety of geological oddities.

This large midwestern cavern features impressive rock formations and an underground waterfall.