Banco Santander will take charge of 160 iconic works, including 18 by Frida Kahlo, from the Gelman Collection of 20th-century Mexican art

"Siqueiros: Walls of Passion" includes voice work by actor Cheech Marin and explores the restoration of the artist's iconic and controversial LA mural "América Tropical"

Whitney Museum exhibition will explore the enduring influence of artists such as David Alfaro Siqueiros on US counterparts including Jackson Pollock and Philip Guston