Before there was the water bridge thus the Panama Canal there was first, the Dry canal that was used for the transfer of Gold, Silver and spices in an out Panama to Spain. With your Tour guide in this full day excursion, learn in depth about the glorious days of Panama, the strategic alliances that were made, the lines of defenses by the mouth of the Chagres River in San Lorenzo and in Portobelo, the triangle route formed by Nombre de Dios, Camino de Cruces and Panama Viejo to store and transfer gold in and out of Panama. This combines the pre-Columbus, colonization and post colonization era, the opportunity to fully indulge and immerse in the complete history of Panama, discover what made possible the construction of the Rail way, where its materials were transported from, the construction of the Panama Canal and its expansion. You will visit the Panama Canal expansion center, El Castillo de San Lorenzo and Portobelo and its attractions.