Lean into the shifting season with this selection of autumnal objects from Cooper Hewitt’s permanent collection.

Pumpkin-orange! Motion! These are just a few words that come to mind to describe this collage by artists Christo and Jeanne-Claude. This bright, dynamic work presents a plan and rendering of The Gates, a public art installation that filled the winding walking paths of New York’s Central Park with 7,503 rectangular structures draped with flame-colored...