14th Street and Constitution Avenue, NW, Washington DC 20001
Iconic items included in the Civil War area of "The Price of Freedom: Americans at War" exhibit include the chairs and table used by Grant and Lee at Appomattox, the stump of a tree shot to pieces at Spotsylvania, Gen. Philip Sheridan's horse Winchester (stuffed), part of the armor plating from the CSS Virginia, and items belonging to Gens. William T. Sherman and George McClellan and Col. J.S. Mosby.
Open 10 am–5:30 pm daily. Free.