This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

Former bath house turns gastropub.

One of the last functioning antique elevators in Chicago.

These mansions date back to Chicago's days as a brewer's paradise.

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

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

Hot Doug's "Hot Dog" Stand.

The palatial McDonald's that inspired Wesley Willis.

Illegal drag racing two stories beneath Chicago’s streets.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

The world's only known button museum.

The beloved home to all publications indie, erotic, and punky.

A hollow cement depiction of time's inexorable effect on the human body.

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

A little-known mural reveals the hydrological reason for Atlanta's founding in this location.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

This old school, eccentric, and independent video rental store refuses to die.

A late-night restaurant empire was launched from this humble storefront.

"...I guess that was your accomplice in the wood chipper?"

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

The notorious Wild West outlaw was raised in this unassuming abode.

The highest bridge in America was built for an almost unnervingly small amount of money.

The marker offers a rare chance to be in four U.S. states at once, though there's some controversy over its geographic accuracy.