The last remnants of a lakeside airport that was bulldozed overnight by the mayor of Chicago.

This abstract sculpture is rumored to cast a hammer-and-sickle shadow once a year.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

This landmark honoring a local beer brand is an iconic part of the Minneapolis skyline.

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

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

One of the world's premier laboratories for hydraulic engineering research takes full advantage of the water's power.

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

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

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

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

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

The only arched bridge made of stone on the entire Mississippi River.

A butcher shop in Minneapolis has all the meats and cheeses you’d expect from any of its kind—except that all the products are vegan.

A toweringly silly piece of modern art has been delighting locals since the 1980s.

When flour explodes, it's not a pretty sight.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

The private clubhouse for the members of the Academy of Magical Arts.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.

This nondescript tunnel has been featured in a number of iconic movies, from “Roger Rabbit” to “Back to the Future.”

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

It should come as no surprise that the world's largest artichoke lies in the town that calls itself the "Artichoke Center of the World."