The original vault that held the president's remains still stands, empty, not far from where he was finally buried.

Huge abstract sculptures of the Puerto Rican Flag.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

The park that the Chicago Stockyards built.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

You can take a class, browse the library, or visit the lavish lair of an international men's humor society.

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

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

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

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

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

A small abandoned and abused cemetery that has become a magnet for ghost hunters.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

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

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

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

Cemetery featuring rare glass-fronted columbarium.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This historic hotel invented the chocolate brownie.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

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