Pendennis Castle is a historic fortress located in Falmouth, Cornwall, England. Built in the 16th century under the orders of King Henry VIII, it was designed to protect the entrance to the Carrick Roads and the naval port of Falmouth. The castle features impressive stone walls and a circular keep, showcasing the military architecture of its time. Today, Pendennis Castle is managed by English Heritage and serves as a popular tourist attraction. Visitors can explore its well-preserved structures, enjoy panoramic views of the surrounding coastline, and learn about its rich history through exhibitions and guided tours.