The Pillbox is a historic artillery emplacement located on the White Cliffs of Dover in Kent, England. It was built in 1940 during World War II to defend against German invasion and consists of a series of tunnels and chambers carved into the chalk cliffs. The complex features a network of passageways, rooms, and gun emplacements, showcasing the military engineering and architecture of the time. Today, the Pillbox is a popular tourist attraction and a significant historical site, offering insight into the region's wartime history and the importance of the White Cliffs as a defensive stronghold.