A plaque marks a former safe house on the secret route, now hidden next to a McDonald's.

Paranormal activity on the great lakes.

An oddly poignant roadside attraction celebrating American folklore.

A stone face watches over the river.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

A Norwegian church that was built before Wisconsin was even a state has been entirely moved to a nicer spot.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

The face of a woman pushes its way through the earth.

These curious caverns have been home to mushrooms, gangsters, and disco.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

One of Frank Lloyd Wright's final works was this UFO church.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

The remains of a World War II munitions factory still haunt the fields of this Twin Cities suburb.

Once known as the Illinois Asylum for the Incurable Insane.

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

Five acres of divinely inspired folk art.

The titular fictional logger only inhabits this otherwise historically focussed museum via a piece of fiberglass kitsch.

This massive roadside mascot was the first version of the giant to illustrate his butt.

This simple home was the beginning of a long journey for the iconic Western film star.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

A theme park attraction designed to turn your children into LARPers.

This monolithic statue was erected in honor of Chief Black Hawk (even if it wasn't made to look like him).

Giant six-pack could provide one person a six-pack a day for 3,351 years.

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