The main historical value of Cartagena is its colonial-times structures. You can endlessly admire the beautiful views of palaces and charming streets. The concentration of outstanding historic landmarks is the area of Centro Amurallado ( Centro-Amuralyado ) surrounded by fortress walls, whose name can literally be translated as "Old Town". This is the place accommodating many beautiful colonial palaces, picturesque squares and park areas, as well as several ancient monasteries, whose buildings have been converted into modern hotels.
The ancient San Felipe de Barajas Castle is deservedly called the city's most interesting historic monument. Its construction began in 1533, immediately after the founding of the city, and was completed only by the second half of the 17th century. The main building material for the construction of fortification structures was shell rock. The castle is striking in its scale and spectacular appearance, despite the fact that it has never been finished.
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