This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

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

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.

This freshwater spring fills with 10,000 gallons of water per minute.

There's more contention than one might expect from cherry pie pans.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

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

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

A museum within a museum, devoted to history's most questionable medical devices.

These curious caverns have been home to mushrooms, gangsters, and disco.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

This iconic water tower and failed bandstand is open for panoramic views once a year.

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

Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.

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

This secret gem of a toy store houses a rideable carousel populated with fantasy animals.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

This large midwestern cavern features impressive rock formations and an underground waterfall.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

Millions of dollars worth of sculpture decorate this Iowa city center.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.