Viseu is a beautiful ancient city in Northern Portugal. The old town is the center, which has changed little since the middle Ages. Viseu is the only one of the largest cities in Europe, where there are no railway stations. Also the city is famous for its excellent red wines.

Among the historical monuments of the city Gate is worth a look Cavaleiros, which lead to the historic center of the city. Gate Cavaleiros, are part of the defensive walls that surrounded the city and protected from Castilian armies, which attacked Viseu. Only the gate was seven. To date, survived only granite gate Cavaleiros, and the gate of Soar.

The construction of fortifications along the gate Cavaleiros, was begun in the reign of king Joan I (1385-1433), but was fully completed only in 1472, when the country was ruled already king Afonso V. In the mid-NINETEENTH century, in 1844, the city Council of the city of Viseu has decided to dismantle all the old gates in order to give the city a modern look, leaving only the two above-mentioned gate.

Outside the ancient city gate is a niche, dedicated to St. John the Baptist, as through the entrance on the day of St. John the Baptist (June 24) to the chapel of são joão da Carreira is the so-called "Cavalcada de Villemoisson" - a group of riders who are dressed in white tunics, and hands are holding a green wand and wreath of red carnations. On the wall next to the gate, there is a stone image of Nossa Senhora da graça end of the XVI century.

Since 1915 the Gate Cavaleiros included in the List of national monuments in Portugal.