Fortress Fortaletstsa do Monte was the main outpost that defended the city from intrusion attempts by the Dutch in 1622. Also, a fortress which was built Jesuits defended St. Paul's Cathedral, located nearby, from pirate raids. Subsequently, the church still has been destroyed, and now the former city walls with panoramic views over its ruins.

The fortress was built at the top of the hill, which is why in all directions it offers a great overview of the area. A fortress built in the shape of a trapezoid with the wrong angles. The entire perimeter of the hill located in the old gun, and inside the fortress was weapons arsenal, barracks for soldiers and ammo in case of a surprise attack. At the siege of the fortress could withstand the onslaught, using hidden provisions and weapons, more than two years.

The walls of the fortress at the base thickness of four meters, and height - about nine. At the top are located defensive parapets and cannons, and in the south-east and south corner there are guard towers.

Museum of Macau was opened in April 1998 and today is under the protection of UNESCO. On the ground floor there are exhibits devoted to religion, culture and history of Macau and Portuguese influence on the region as a whole. Second floor allotted handicrafts, art and traditions of China. And on the third floor there are exhibits of modern art.