Baltimore Museum of Art, 10 Art Museum Drive, (443) 573-1700, artbma.org. Njideka Akunyili Crosby: Counterparts, A suite of new paintings by 2017 MacArthur fellow Njideka Akunyili Crosby drawing from her experience as a Nigerian immigrant. Through March 18. Phaan Howng: The Succession of Nature, in collaboration with Blue Water Baltimore, local artist Phaan Howng highlights local environmental issues through a toxic-toned immersive installation. Through Aug. 31. Spiral Play: Loving in the ’80s, Three dimensional collages in intense colors and spiral shapes by the late African-American abstract expressionist Al Loving. Through April 15. Tomás Saraceno: Entangled Orbits, Web-like clusters of iridescent-paneled modules are suspended in the museum’s East Lobby. Through June 10. Black Box: Kara Walker & Hank Willis Thomas, Salvation by Kara Walker and And I Can’t Run by Hank Willis Thomas are paired as explorations of the legacy of slavery. Through March 18. Crossing Borders: Mexican Modernist Prints, 30 prints and drawings by artists including Diego Rivera, José Clemente Orozco, David Alfaro Siqueiros, and Elizabeth Catlett. Through March 11. Beyond Flight: Birds in African Art, Approximately 20 works demonstrate the symbolic roles birds serve within African cultures. Through June 10. Head Back & High: Senga Nengudi, Performance Objects, 1976–2015, Performance photography and a video documenting more than 40 years of work from American artist Senga Negudi. Through May 27. Stephen Towns: Rumination and a Reckoning, Baltimore-based painter and quilting artist Stephen Towns’ large Birth of a Nation quilt is surrounded by his ongoing Story Quilts series narrating the life of Nat Turner. On view March 7-Sept. 2, conversation with Stephen Towns and Mark Bradford on March 7, 7 p.m.