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Photo: Ra Boe, CC BY-SA 3.0 via Wikimedia Commons
It was built on a trapezoidal base. In the corners there are square-based towers (only three are visible today) typical of the Abruzzo landscape of the Peligna Valley. For its majesty it is famous among the Abruzzo castles. It overlooks the square with its seventeenth-century façade opposite the church of Santa Maria Maggiore. The construction is prior to the period between the end of the 14th century and the beginning of the 15th century, given that the first renovation was carried out in this period; some date the construction between the 11th and 13th centuries, the period in which the truncated north-east tower should have been built. A reinforcement including some enhancements took place in the second half of the 15th century when the Orsini added circular towers. The construction of the trapezoidal walls can also be ascribed to this period. In the 1960s, the castle was restored again, but the massive use of reinforced concrete caused controversy; subsequently further restorations returned the original appearance of the Peligna fortress.
Castello Cantelmo-Caldora is a Middle Ages castle in Pacentro, Province of L'Aquila (Abruzzo).
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One of the oldest churches in the town, dating back to the 11th century, and modified inside in 1801. The church was mentioned in the episcopal catalogue of the churches of the diocese of Valva in 1356. It hosts the confraternity of San Carlo Borromeo. The façade is from the 14th century, with a Durazzesco portal with an ogival lunette on the left containing a fresco by an unidentified artist with the Madonna and Child dating back to the early 15th century.