Most tours of Detroit include the Guardian Building — and for good reason. Why it matters: In a recent poll, our readers ...

Designated a National Historic Landmark in 1989, the art deco Guardian Building is a must-see for architecture buffs. Known as Detroit's Cathedral of Finance, the Guardian Building was completed ...

licensed under CC BY-SA 2.0 (Guardian Building); Raymond Boyd/Getty Images (Historic Fort Wayne); Annalise Frank/Axios (Michigan Central); Annalise Frank/Axios (Detroit Institute of Arts ...