Where most of the world's flypaper was made.

On the right bank of the Grand River a plaque remembers an imaginary painter who once awaited his youth.

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

A park and memorial dedicated to the victims of the deadliest school massacre in American history.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

A giant Troll lurks under one of Seattle's oldest bridges.

An obsolete, vanishing traffic device warns Cincinnati drivers away from middle-of-the-road obstructions.

Mussolini gave Cincinnati a bronze statue of Romulus and Remus suckling at a wolf's teats.

A museum that houses the world's largest collection of ventriloquism dummies.

Three courses accompanied by Christian rock.

This huge clock made of flowers and simple machinery was once used a political weapon.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

This old steel industry company town has a tradition of parking cars on the sidewalk so people can walk in the narrow streets.

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

The faint remains of a Polish news empire still linger.

Theater has had many different incarnations but has survived the ravages of time.

Odd, decrepit fountain honors Chicago author who had mixed feelings about his hometown.

The 606 is a decade in the making.

A long lost multi-cultural music venue used to reside in the bottom floor of Chicago's Flat Iron Building.

"No writer ever gave more to a city and got back less.”

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

A Bibliophile's Dream.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.