Lahnstein Castle, also known as Burg Lahnstein, is a historic castle located in Lahnstein, Germany. It was built in the 13th century and served as a strategic fortification overlooking the Lahn River. The castle features impressive stone walls and towers, showcasing medieval architecture. Today, Lahnstein Castle is a popular tourist attraction, offering visitors stunning views of the surrounding landscape. The site hosts various events and activities throughout the year, allowing guests to explore its rich history and enjoy the scenic beauty of the Rhineland-Palatinate region.