The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

A giant bronze coil of feces is both a tribute to doggie defecation and a reminder to pick it up.

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

The young Black revolutionary was killed before getting to see a non-segregated pool in his hometown.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.

This simple gravestone remembers a pig who single-hoofedly raised $19,000,000 for the Navy.

Once an ornate movie theater remade by Catholic Charities.

A Chicago Movie Palace Lost to Time.

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

An amazing collection of scale model ships.

It was originally part of a "terrible lizards" collection at the 1964 New York World’s Fair.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

World's second largest particle accelerator, where nature reveals its secrets.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

The world's largest collection of the world's largest objects is in one small Illinois town.

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

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

Years of archaeology, just chillin' by the water cooler.