The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

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

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

The empty tomb that houses the memories of Roy Bertelli's revenge.

The poet’s boyhood home is now dedicated to celebrating his life and legacy.

Abraham Lincoln's likeness rests at the top of this giant totem pole.

One of the largest carillons in the world, this giant instrument has 67 cast-iron bells played by a keyboard.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

A gothic church spire sits atop this skyscraper, the tallest church in the world.

Home to a protest movement, a bombing, and a dramatic change in labor history.

A goddess-topped water fountain in Chicago was created thanks to the dreams of a thirsty newsboy.

Over 1,000 pieces of one of the most niche art objects imaginable: the glass paperweight.

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

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

Small and slightly hidden, the American Writers Museum is preserving the legacy of America's finest authors.

The final resting place of up to 6,000 Confederate soldiers, the largest mass grave in the Western Hemisphere.

A hollow cement depiction of time's inexorable effect on the human body.

A strange rock in Chicago marks the spot where a tree once stood in honor of the 18th President.

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

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.