“THE DEATH OF ELLSWORTH” A portrait of the first Union officer killed in the Civil War. Through March 18. National Portrait Gallery, Eighth and F streets NW. 202-633-1000. www.npg.si.edu.

“THE WAR CAME BY TRAIN” A collection of railroad cars, equipment and other artifacts showing the role of trains during the Civil War. Through May 15, 2015. BO Railroad Museum, 901 W. Pratt St., Baltimore. 410-752-2490. www.borail.org.

“ABRAHAM LINCOLN IN BRONZE: ONE MAN, ONE VIEW” An exhibit about the steps taken to create the cottage’s large bronze statue of President Abraham Lincoln. Through July 15. President Lincoln’s Cottage, Upshur Street and Rock Creek Church Road NW. 202-829-0436. www.lincolncottage.org. $12, $5 ages 6 to 12.

“OCCUPIED CITY: CIVIL WAR ALEXANDRIA” Learn about life in a town occupied by the military. Open indefinitely. The Lyceum, 201 S. Washington St., Alexandria. 703-838-4994. www.alexandriahistory.org.

“WOMEN ON THE BORDER: MARYLAND PERSPECTIVES OF THE CIVIL WAR” Photographs, sheet music, rare books, manuscripts and other materials show how women were perceived during the Civil War. Through July 13. Hornbake Library, University of Maryland, Campus Drive, College Park. 301-314-2712. 301-405-0800. www.lib.umd.edu/hbk. Free.

“AN AMERICAN TURNING POINT: THE CIVIL WAR IN VIRGINIA — WAGING WAR” This traveling exhibition, featuring more than 100 objects and keepsakes from the war, explores the experience along the Virginia battlefront. Through June 24. Hampton History Museum, 120 Old Hampton Lane, Hampton, Va. 757-727-1610. www.hampton.gov.

“A NATION ASUNDER” A permanent exhibit of pistols, rifles and imported weapons used by both sides during the war. A recreated federal arms factory demonstrates how guns used by the Union were made. National Firearms Museum, 11250 Waples Mill Rd., Fairfax. 703-267-1600. www.nramuseum.org. Free.

“A COLLEGE DIVIDED: MARYLAND AGRICULTURAL COLLEGE AND THE CIVIL WAR” Through July 15. Hornbake Library, University of Maryland, Campus Drive, College Park. 301-405-0800. www.lib.umd.edu/hbk. Free.

“CHARITY AFIRE” Accounts of the compassion of sister nurses on the battlefield. Through Dec. 31. National Shrine of St. Elizabeth Ann Seton, 339 S. Seton Ave., Emmitsburg, Md. 301-447-6606. www.setonheritage. org/projects/civil-war-project.

“CAN YOU WALK AWAY? MODERN SLAVERY: HUMAN TRAFFICKING IN THE UNITED STATES” This exhibit looks at slavery in modern society as it compares to Abraham Lincoln’s time. Through Aug. 31, 2013. President Lincoln’s Cottage, Upshur Street and Rock Creek Church Road NW. 202-829-0436. www.lincolncottage. org. $6-$12.

“BLOOD AND INK: FRONT PAGES FROM THE CIVIL WAR” Revisit the conflict from start to finish through this collection of more than 30 front pages reflecting both Union and Confederate press. Through Dec. 31. Newseum, 555 Pennsylvania Ave. NW. 888-639-7386. www.newseum.org. $21.95, $17.95 seniors, military and students, $12.95 for ages 7 to 18, age 6 and younger free.