Get to see in-person this This historic 2,450 metre-long falaj is located in Barkat Al Mouz, Nizwa, and is famous for having a unique water distribution system and continuity of flow throughout the year. It’s fascinating to see how one of its channels passes through Al Radeeda fortress on its way to the farmlands.

This castle is called Bayt Ar Rudaydah from its proximity to an old dam that stopped the valley waters from flooding Birkat Al Mawz in A'Dakhiliyah Governorate. Falaj Khatmayn, which springs from Al Jabal Al Akhdar (Green Mountain) and which has been added to the UNESCO World Heritage list, passes this castle. Bayt Ar Rudaydah dates back to the seventeenth century. It lies about 24 kilometres from Nizwa in A'Dakhiliyah Governorate, at the entrance of Wadi Al Muaydin. The Castle combines the defensive and traditional elements of architecture, as its thick walls, topped with towers constructed of brick clay, hide an architecture elegance that is revealed in the shape of multiple arches, painted ceilings and elaborate plaster engravings. Bayt Ar Rudaydah Castle has been converted into a heritage weapons museum which displays the historical progression traditional weapons in Oman.