Landmark, as part of heritage tourism distinctiveness, has a critical role in enhancing the city identity to make it more attractive and more identified. Sumatera Island has heritage tourism with similar culture and history that can found in Medan, Bukittinggi, and Siak. This research was conducted to determine the comparison of the landmark on the similar heritage tourism in Sumatera. The third essential element of the landmark, i.e., iconic, contrast, and accessibility, was investigated using the mixed-method. This study shows that the monumental buildings and historical story formed as the landmark in those three historic tourist cities.