Island where motor vehicles are banned -- home to the only carless highway in the United States.

This shallow cave got its name from copious amount of human bones found inside.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

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

The honor of highest point in Michigan was almost given to the wrong peak before this mountain won out by 11 inches.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

Downtown Minneapolis mixed art and function by turning some of their sewer covers into works of art.

The only arched bridge made of stone on the entire Mississippi River.

143 feet of leaping muskie whose mouth can be used as a wedding venue.

A restaurant and lodge in northern Wisconsin which served as a clandestine hideout for John Dillinger and featured one of the most famous botched FBI raids in history.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

The menacing creature had a tremendous influence on the local culture before being exposed as a hoax.

An oddly poignant roadside attraction celebrating American folklore.

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

Almost half-way between the Equator and North Pole.

The titular fictional logger only inhabits this otherwise historically focussed museum via a piece of fiberglass kitsch.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

These abandoned grain silos and tunnels are an urban exploration dream.

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

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

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

A long lost multi-cultural music venue used to reside in the bottom floor of Chicago's Flat Iron Building.