Italy celebrates the 26th edition of the National Castle Days, a weekend of guided tours, cultural treks, conferences and concerts in 38 historic sites in 20 regions, including islands, marine protected areas, natural parks and medieval villages. Organized by the Italian Castle Institute, a non-profit cultural organization founded in 1964 and recognized by the Ministry of CultureThe event promotes awareness and protection of Italian fortified architecture: castles, towers, fortresses, and walled villages. The Institute is affiliated with Europa Nostra, under the patronage of theUNESCO, and is a leading voice in the defense of cultural heritage.