Lincoln Castle is a historic fortress located in Lincoln, England. Built in 1068 by William the Conqueror, it served as a royal castle and a symbol of power. The castle features impressive walls and towers, offering stunning views of the surrounding area. Today, Lincoln Castle is a popular tourist attraction, showcasing its medieval architecture and rich history. Visitors can explore the Victorian prison within the castle grounds and walk along the castle walls for a glimpse into the past. The site also houses the Magna Carta, an important document in the history of democracy.