The Alcobaça Monastery is a stunning medieval monument located in the town of Alcobaça, Portugal. It was founded in the 12th century by the Order of Cistercians, and is one of the most significant examples of Gothic architecture in Portugal.

The monastery is renowned for its stunning church, which features an ornate Gothic façade, beautiful stained glass windows, and intricate stone carvings. The interior of the church is equally stunning, with a series of elaborate chapels and tombs, including the tomb of King Pedro I and his mistress, Inês de Castro.

One of the most impressive features of the Alcobaça Monastery is the chapter house, a magnificent room decorated with intricate Gothic architecture and artwork. The room also contains the famous Tree of Jesse, a stunning stone carving depicting the genealogy of Christ.

Visitors to the Alcobaça Monastery can explore the stunning architecture and artwork of this historic monument, as well as learn about the fascinating history of the Order of Cistercians and the role of the monastery in Portuguese history. The monastery is now a UNESCO World Heritage site, and is open to visitors daily.