Arguably the best example of an authentic Dutch windmill in the United States, rivaling its counterparts in the Netherlands.

This botanical garden outside Chicago boasts an array of more than 300 varieties of lilacs.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

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

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

Eclectic collection of rare and beautiful stones in a historic home.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

The legacy of an unsolved, gruesome murder rests beneath the spans of this historic bridge.

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

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

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.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

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

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

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

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

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

An antiquated German apothecary on Chicago's North Side.

A lush green oasis in the middle of Chicago.