The Rin’nōji Houmotsuden treasure house is a must-visit spot at Rinnō-ji Temple in Nikkō, Japan. This hidden gem houses an impressive collection of Buddhist art, including sculptures, paintings, calligraphy, scrolls, and other crafts dating back to the 8th century. With approximately 50 pieces on display at any given time, visitors can immerse themselves in the rich history and cultural significance of these ancient artifacts. It's like stepping into a time capsule of Japanese art and spirituality!