A s the seasons slowly transition, and temperatures begin to shift around the world, museums undergo their own seasonal transformations – the mounting of spring exhibitions. From exploratory solo shows, exemplified by Rothko at the Kunsthistorisches Museum in Vienna to traveling blockbusters, such as Soul of a Nation: Art in the Age of Black Power 1963-1983 at the Broad – compelling artworks and their respective histories will soon adorn museum walls. Above, preview March's most anticipated exhibition openings.