The tunnel that runs beneath this former inn was once a hiding place for enslaved people seeking freedom.

This Minnesota-shaped forest is actually located in the state it is shaped like.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

As its grandiose name implies, this wooden dome is unsurpassed in size.

Paranormal activity on the great lakes.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

"...I guess that was your accomplice in the wood chipper?"

Two hula hoops appeared on the tree after a storm, and the collection kept growing.

Remnants of a quarry company town still stand on the banks of the Wapsipinicon River.

This replica of an 8th century burial ship actually sailed to Norway before returning home to Minnesota.

Egyptian Revival obelisks still rise over the old mine shafts.

This family driveway also serves as the highest point in Illinois.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

Every winter, the wind carves blocks of frozen water into beautiful abstract shapes inside this unusually curved tunnel.

A lovely hidden waterfall right off the highway is well worth a stop.

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

A tragedy and memorial that raised awareness about the dangers of unsealed mineshafts.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

Almost half-way between the Equator and North Pole.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

A largely forgotten and touching neoclassical marble fountain overlooking a bear mound effigy.

A renowned Civil War veteran, this Bald eagle now presides over the Wisconsin State Assembly.

Comprised of Spanish war cannons, this sculpture once graced the bow of a WWI warship.