Where experiments are conducted on all things wood.

Complex aquaponics systems allow fish and plants to grow in harmony.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

This small-town opera house has appeared much more in national culture and history than its charming setting might suggest.

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

"Looks so real, it's scary!"

A Bibliophile's Dream.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

An antiquated German apothecary on Chicago's North Side.

A science teacher's dream.

Burial mounds of prehistoric Native Americans who lived along the DuPage River.

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

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

This storied music venue was once a tavern that housed an Italian Anarchist book club and prohibition parties; today it's a community space for artists and musicians.

A Milwaukee museum provides an unsparing and ultimately empowering look at the Black American experience.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

One Austrian's singular yard is now preserved as a folk art garden of concrete wonders.

This lush 12-acre site was once named the finest Japanese garden in North America.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

The site of an ancient Mississippian settlement that appears to have flourished during the 10th to 13th centuries.

The world's largest woodcarving collection includes dozens of Bible scenes and a wooden bestiary, all carved by one man.

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

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