(1555)- located at the Guanabara Bay entrance, this is a big fortress with a close-up view of the Sugar Loaf Mountain from an entirely different angle.(R$4 guided tours) Thu~Sun 10AM-5PM -> To get here on the weekdays you will need a car/taxi, but on Sat and Sun you can take a tourist open bus (called Jardineira)in downtown Niteroi at the Ferry Station. It runs all the way along the bayshore and stops at the town's main attractions and neighborhoods.