During World War II the Thorp building was guarded by the OSS, FBI, and US Navy because of the top-secret bombsight being produced there.

This sprawling building built in 1890 was one of Minnesota’s earliest and largest mental health facilities.

This lone survivor of a regional franchise still slings delicious burgers and colossal servings of fries.

This old residential building was once the largest flour mill in the world.

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A memorial to a larger-than-life legend, inside a county that also holds Bunyan's death certificate.

Home to part of the world’s largest private collection of original manuscripts and documents.

A town honors its legacy of traditional American Indian pipe carving with one gigantic pipe.

This quirky roadside attraction provides insight into Minnesota's logging history.

An abandoned fish-shaped drive-in gets a second life as a restaurant.

This vintage "streetcar boat" lay at the bottom of Lake Minnetonka until the 1980s.

After four years of grasshopper plagues, this chapel was erected as a plea to God to make them end.

Dakota legend claims this locally iconic pinnacle was once part of a sacred burial site that was cleaved in two.

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

A Building for Your (Former) Funerary Needs.

Inside this museum resides a boot fit for a giant.

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

This water tower has been a staple of the Rochester skyline since 1931.

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

America's largest viking stands in a Minnesota city that believes it was visited by the ancient nords.

A Norwegian church that was built before Wisconsin was even a state has been entirely moved to a nicer spot.

America's silhouette includes 100 square miles of wilderness jutting into Canada thanks to an old mapmaking error.

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

The Art Deco Silver Screen.