Built in 1931, this small passageway is believed to be the first modern skyway.

This statue of Olympic hockey coach Herb Brooks immortalizes one of the greatest moments in American sports history.

A treehouse assailed by the elements and the government, now gone.

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

This kaleidoscopic mural shows Bob Dylan throughout his transition from young troubadour to Nobel laureate.

A little-known memorial to servicemen and nurses killed in the line of duty during the First World War.

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

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

This 1960s kinetic artwork has been restored and is once again whirling away in downtown Minneapolis.

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

Sleepy Minneapolis block beats Guinness Record for most churches on one city block.

Thousands of majestic trumpeter swans fill this park, sounding distinctly like a certain brass instrument.

A jaw-dropping brutalist space church seems to have crash-landed in the middle of America.

The basement bowling alley of this St. Paul dive bar is decorated with thousands of dollar bills.

The home where a lovestruck Fitzgerald wrote his first published novel, "This Side of Paradise."

For over a century, it was a crucial center of mental health treatment and also the source of many local legends.

A palatial art deco restroom.

Triangular House built on a leafy residential street in St. Paul.

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

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

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

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

One of the coolest murals in Minneapolis.

World's largest carved onyx figure stands as a tribute to enduring peace.