Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

The center of the only hemisphere that awards visitors with a commemorative coin.

Five acres of divinely inspired folk art.

The arboretum whose marshy soil sucked up the dreams of housing developers.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

This cave holds a surprisingly colorful variety of geological oddities.

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

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

"Looks so real, it's scary!"

A bizarre house filled with an astounding array of collections.

The first home and studio that belonged to the famous architect.

A wondrously macabre treasury of obscure antiques and unusual oddities.

Walk along the intricate path of this stone labyrinth and gardens.

The rodent-shaped sidewalk imprint that earned worldwide media attention.

This art gallery and oddities boutique bewitches visitors with a trove of occult trinkets and eccentric antiques, work by an ever-changing roster of underground artists, and classes in tarot and other mystic arts.

Twice a year, this road is closed off to allow for the migration of thousands of snakes, reptiles and amphibians between cliffs and a swamp.

The house is an iconic pilgrimage site for fans of the Illinois-based emo band.

This house renovated by Frank Lloyd Wright was the centerpiece of a lavish 20th-century estate.

A small Chicago museum filled with thousands of preserved butterflies, beetles, and more.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

Chicago was once a major hub of film production, but being silent film you don’t hear much about it.

This deceivingly ordinary warehouse hides an enormous collection of pop culture treasures.