The arch that celebrated the completion of the Lincoln and Victory highways.

The colossal cartoon man stands outside a Nevada museum.

The largest wildlife crossing in Utah allows local fauna to safely traverse the six-lane Interstate 80 at Parleys Canyon.

This rooftop sign has been confusing Milwaukee-bound airline passengers for decades.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

A place to eat for on-the-run agents and espionage enthusiasts.

Statue dedicated to the star of an old television show.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

An enormous park-like oasis, full of famous Chicagoans' graves.

This historic hotel invented the chocolate brownie.

Illegal drag racing two stories beneath Chicago’s streets.

The palatial McDonald's that inspired Wesley Willis.

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

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A century-old network of freight tunnels underneath the city's historic business district.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

Landmark Chicago building narrowly avoided destruction.

Combination beer garden and music venue in the heart of Wicker Park.

Location of the Real World's disastrous, and protested, eleventh season.

Where Cusack's record store from the film "High Fidelity" was located.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.