A building at Fort McNair was the site of a courtroom drama: the trial of the Lincoln conspirators.

Each quarter the Hall is open to the public where people can visit the courtroom and learn more about the trials. Grant Hall Courtroom Public Open Houses Joint Base Myer-Henderson Hall hosts quarterly Public Open Houses of Grant Hall’s historic third-floor courtroom, located on the Fort McNair side of the Joint Base in southwest Washington D.C. Story by Catrina Francis on 04/24/2019 Joint Base Myer-Henderson Hall announces its next quarterly public open house of Grant Hall's historic third-floor courtroom, located on the Fort McNair side of the joint base in southwest Washington D.C., from 10 a.m. to 4 p.m. May 4. Fort McNair Entrance Directions to Grant Hall, Fort McNair •Access Fort McNair’s 2nd Street Gate, off of P Street and 2nd Street.

Adventurers arriving by car should follow the red line, and adventurers on foot should follow the blue line. Paul M. Severance stood in the quiet third-floor room of Grant Hall on the grounds of Fort McNair last month, decked out in the gold buttons and sweltering blue uniform of a Union general. The courtroom is the site of the military tribunal, held from May through June 1865, of those thought responsible for the plot to assassinate President Abraham Lincoln. Enter Fort McNair using the 2nd Street Gate, just past P Street. Joint Base Myer-Henderson Hall hosts quarterly Public Open Houses of Grant Hall’s historic third-floor courtroom, located on the Fort McNair side of the Joint Base in southwest Washington D.C. Joint Base Myer-Henderson Hall announces the next quarterly Public Open Houses of Grant Hall’s historic third-floor courtroom, located on the Fort McNair side of the Joint Base in southwest Washington D.C. from 10:00 a.m. to 4:00 p.m. Saturday, Nov. 7. Paul M. Severance stood in the quiet third-floor room of Grant Hall on the grounds of Fort McNair last month, decked out in the gold buttons and sweltering blue uniform of a Union general. Joint Base Myer-Henderson Hall announces its next quarterly public Open House of Grant Hall’s historic third-floor courtroom, located on the Fort McNair side of the Joint Base in Southwest DC, from 10 a.m. to 4 p.m. on Saturday, May 5. The penitentiary became the center of national attention in 1865 when the trial and sentencing of those implicated in the assassination of President Lincoln was held on the third floor of this building. Here's some excerpts from the press release : Joint Base Myer-Henderson Hall announces its quarterly Public Open Houses of Grant Hall's historic third-floor courtroom, located on the Fort McNair side of the Joint Base in southwest Washington D.C. from 10 a.m. to 4 p.m. on the first Saturday of the second month of each quarter. Grant Hall is in the same building as the Africa Center for Strategic Studies. Current Status . Fort McNair Entrance Directions to Grant Hall, Fort McNair •Access Fort McNair’s 2nd Street Gate, off of P Street and 2nd Street.