These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

Walk up a ramp through a forest for panoramic views of Lake Michigan.

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

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

A museum devoted to the victims and the survivors of the most catastrophic fire in American history.

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

The home of 1.5 million wood letters for printing is still a functioning workshop.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

Paranormal activity on the great lakes.

Vikings and Evangelicals have both had a hand in this replica medieval church.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

This cave holds a surprisingly colorful variety of geological oddities.

This monument owes its name to a quote by the famous civil rights activist and journalist.

Chicago's Navy Pier on Lake Michigan was a training hub for aircraft carrier pilots during WWII.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

The murals have transformed a residential alley into a vibrant drive-through gallery.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

Illegal drag racing two stories beneath Chicago’s streets.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

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

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