A grand staircase sweeps upward in twin cascading arms toward the colonnaded entrance of Ancon Hospital, the premier medical facility of the Panama Canal Zone — the institution that played a pivotal role in defeating yellow fever and malaria, making possible the greatest engineering feat of the twentieth century. This real-photo postcard (RPPC) captures the hospital's imposing neoclassical entrance pavilion bathed in tropical light, the broad balustraded stairways flanked by globe lanterns and lush tropical plantings, the main building's open verandah visible above. The photograph is crisp and well-exposed, printed on AZO-stamp-box paper stock (triangles pointing up and down), dating it to approximately 1904–1918. The card is numbered 10 in the lower left, suggesting it was part of a numbered series of Canal Zone views. The reverse is clean and unused, with standard "Correspondence / Address" RPPC layout. A compelling piece of American imperial-era infrastructure history.