Lighthouses have played a critical role in the daily life of maritime towns as nautical landmarks that provide directional signals to ships. They are traditionally located very close to the water. The Three Sister Lighthouses were originally located on Nauset Beach atop a cliff, just a quarter-mile from the Atlantic Ocean shore in Cape Cod, Massachusetts. All along Cape Cod, there were several lighthouses, however, many shipwrecks were found close to the Eastham shore. As a result, locals from Eastham constructed the Nauset Lighthouses to provide an additional landmark for…