Left, Mary Cassatt's Woman With a Pearl Necklace in a Loge (1879), and right, Elizabeth Gardner's The Shepherd David (circa 1895), from the Met's "Americans in Paris."   (Photo: Courtesy of the Metropolitan Museum of Art)

Taking the Long View
Brice Marden gets MoMA’s full-on éminence grise treatment.
• Brice Marden: A Retrospective of Paintings and Drawings, MoMA; October 29 through January 15.

You Don’t Know Paree
Cafés, flaneurs, artists in garrets: “Americans in Paris” shows us why that romantic image refuses to fade away.
• Americans in Paris, 1860–1900, Metropolitan Museum of Art; October 24 through January 28.

Season of Change
Chelsea—now with a shiny new Frank Gehry tower—heads into a white-hot fall.

An Inconvenient Half-Truth
In Mary Mattingly’s photo series “Second Nature,” the Earth has been submerged, and the remaining humans eke out isolated, nomadic existences.
• Ecotopia, International Center of Photography; September 14 through January 7.

The Reign From Spain
The Whitney recalls a moment when there was Picasso and then everyone else.
• Picasso and American Art, Whitney Museum of American Art; September 28 through January 28.

The Best of the Rest
Young Bob Dylan, New Orleans photography, old-school dandies, and more.