Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

Nestled in Onondaga State Park, over 100 canoes carefully stacked in a replica of the famous standing stones.

A Kansas grassroots sculptor decorates the local roadways with his sculptures made from found objects.

Kansas's Grassroots Art Capital welcomes visitors to Lucas through its very own World's Largest Thing.

This life-size bronze statue remembers the tallest recorded human in his Illinois hometown.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

Less a museum than a bizarre fantasy world created by artists and engineers.

An old tree that is the final resting place for many pair of shoes.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

This majestic tree has survived 400 years of storms, droughts, and floods, and is a beloved natural landmark in Missouri.

Like Stonehenge, but with boats and oodles more charm.

Two Ming Dynasty lion statues guard the entrance to the journalism school.

The iconic remains of the original Academic Hall that burned down in 1892.

The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.

A rainbow-colored house promotes LGBTQ rights across the street from the Westboro Baptist Church.

This artsy public restroom is shaped like a giant john.

A unique attraction and museum dedicated to exploring iconic roadside structures.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

Massive still life just off the highway in Kansas.

See six states from the newly restored 100-year-old historic roadside attraction.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."