See how canal boats were hauled over the mountains! The construction and operation of the Allegheny Portage Railroad was one of the greatest engineering feats of the 19th century. The visitor center, the restored historic Lemon House tavern, hands-on exhibits, and full-scale models in the Engine House Interpretive Building. Picnic area, hiking, and cross-country ski trails. U.S. Rt. 22, Gallitzin Exit. Three to four miles of trail described as “relatively easy terrain.”