Trifels Castle, known as Kaiserburg Trifels, is a historic fortress perched atop a sandstone hill in the Palatinate Forest of southwestern Germany. This medieval castle, once an imperial stronghold, offers visitors a journey through time with its impressive architecture and rich history, including its role as a former prison for King Richard the Lionheart. Visitors can explore the castle's well-preserved rooms and exhibits, enjoy panoramic views of the surrounding forested landscape, and hike the scenic trails that wind through the picturesque hills of the region.