Museo Historico 26 de Julio. History buffs interested in the Revolution should make time for a visit to this historic attack site and macabre museum. On July 26th, 1953 during carnival celebrations, rebel forces led by Fidel Castro, Raul Castro, and Che Guevara attacked these concrete barracks to seize weapons. The attempt failed, but the revolutionaries gained much recognition from their efforts, and many people consider this incident to mark the beginning of the Revolution. Visitors here can see the bullet holes from the attacks and explore the museum, which describes the history of Cuba from the 1500s onward. The exhibits focus on the events of the 1950s, including the fateful attack on July 26. In the center of the city.