The top floor is home to such moderns as Georgia O'Keeffe, Alexander Calder and Franz Kline.

ECONOMIST: Art of the Americas

These include the silk-screen print "Georgia O'Keeffe in Puerto Rico" (1980), hinting at the ties between and among artists.

WSJ: Caribbean: Crossroads of the World | Tropical Ambition | By Tom L. Freudenheim

Famous artists like Georgia O'Keeffe and Frida Kahlo do appear in museum shows, but the permanent modern art collections of most major institutions are comprised largely of work by male artists.

WSJ: In the Art World, Women on the Verge