Twelve interdisciplinary lessons with supplementary materials for grades three and four comprise this teaching guide about the Cape Hatteras Lighthouse. An introduction explains how the lighthouse is threatened by erosion, alternatives for saving it, the need for the lighthouse, and its history. Each lesson includes subject area, skills, lesson concepts, competency goals, objectives, materials, background information, teacher preparation, procedures for student activities and enrichment activities. The lighthouse, seashore, shipwrecks, sand dunes, lifesaving, and weather are explored through art, reading, writing, map skills, demonstrations, simulations, acting, and math skills. (DC)