People escaping slavery passed through the oldest house in Lombard, Illinois on their northbound journey to freedom.

This stunning gothic ruin was a casualty of the Indiana steel industry crash.

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

First planned industrial community in the United States.

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

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

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

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

Erosion and time have created a naturally-formed water park.

These chunky stone towers out in Lake Michigan are the key to Chicago’s drinking water.

A display of magnificent stained glass windows is the first exhibit of its kind.

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

These pretty kitties killed and ate as many as 135 railway workers.

The 606 is a decade in the making.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

A lush green oasis in the middle of Chicago.

An antiquated German apothecary on Chicago's North Side.

An enormous park-like oasis, full of famous Chicagoans’ graves.

A science teacher's dream.

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

The only Bahá'í house of worship in North America and one of only a handful worldwide.