This is the last hand-cranked chain ferry of its kind in operation in the United States.

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

Built in 1933, this unique ballroom is nicknamed the "floating dance floor."

The center of the only hemisphere that awards visitors with a commemorative coin.

Home to a vast collection of The Wizard of Oz memorabilia and the site of an infamous theft.

Where one of America's greatest songwriters lived before he was Bob Dylan.

An abandoned bus station transformed into a museum dedicated to the history of Greyhound Lines, in the place where it all began.

Nicknamed the "Grand Canyon of the North," this open-pit mine in Minnesota has a much shorter history.

Minnesota's oldest and deepest mine is now an underground physics laboratory.

Duluth mineral magnates built this charming art deco lodge to be their private clubhouse.

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.

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

An amazing collection of sculptures and art.

An architecturally-focused antique shop.

Opened in 1956, the first modern indoor shopping mall in the world was inspired by the shopping arcades found in European cities.

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

17,400 lbs., 12 feet in diameter, and 29 years in the making.

The fungus-shaped vintage gas station has served multiple purposes over its lifetime, and now serves ice cream.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

A winged-helmed, sword-brandishing tribute to German Americans.

Elaborate drama imparts an appreciation for 19th century hardships.

This massive roadside mascot was the first version of the giant to illustrate his butt.

Ever wanted to can Spam?