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

World's largest Christmas store.

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

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Strange physical sensations and optical contradictions keep visitors coming back for more.

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

Turnip-shaped island just off the Michigan shore in Lake Huron.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

The world’s largest Masonic temple was saved by the White Stripes.

The palatial McDonald's that inspired Wesley Willis.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

Huge abstract sculptures of the Puerto Rican Flag.

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

Illegal drag racing two stories beneath Chicago’s streets.

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

This urban drawbridge gained eternal pop culture fame when the Blues Brothers jumped it while it was raised.

This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

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

This modest post office sits on the site of H.H. Holmes' famous murder castle.