Years of archaeology, just chillin' by the water cooler.

To find the "unicorns of the deep" you've got to go downstairs.

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

This shop for all your super spy needs hides an educational secret.

Hidden in magnificent rolling countryside, see what may be the largest modern stone circle in the world at Wisconsin's very own "Stonehenge”

This punny mirror of another Wisconsin attraction is exactly what it sounds like.

America's first nuclear-powered merchant ship is now a time warp to the atomic age.

A faded sign from the 1920s remembers Baltimore's resistance toward banning alcohol.

Ship skeletons haunt Baltimore's waterways.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

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

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

After the musical legend's death, his memorial was mysteriously graffitied in gold.

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

A Building for Your (Former) Funerary Needs.

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

One of the coolest murals in Minneapolis.

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

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.

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

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

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

The menacing creature had a tremendous influence on the local culture before being exposed as a hoax.