Thousands of people walk over this fantastic work of art every day, but how many notice it?

A stone face watches over the river.

20,000 pieces in a Frank Gehry-designed building.

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

Each year, one talented artist puts on a show sculpting twelve butter-based busts of dairy princesses.

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

Its collection contains relics from the devastating disaster that set the town ablaze.

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

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

The first hand-illuminated, hand-written bible since the invention of the printing press.

Sculpture garden and miniature golf course blend together in the oversized backyard of a Minnesota sculptor.

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

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

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

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

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

The watery grave of an impractical idea.

One of two giant blue cockerel statues erected with an intentional double meaning.

An amazing collection of sculptures and art.

This taxidermic smorgasbord was co-created by an artist poached from the Museum of Natural History.

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

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

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.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.