The Fortaleza de São José de Macapá is a historic fortress located in the city of Macapá, Brazil. Built between 1764 and 1782, it was designed to protect the region from foreign invasions, particularly from the Dutch and Spanish. The fortress is an example of military architecture from the colonial period and is strategically positioned on the banks of the Amazon River. Today, the fortress is a cultural heritage site and a popular tourist attraction. It features thick stone walls, bastions, and a moat, showcasing the military history of the area. Visitors can explore its grounds and learn about the significance of the fortress in Brazil's colonial past.