Did you know that Spring Point Ledge Lighthouse is the only caisson-style light station in the United States that visitors can walk to? Also knows as a sparkplug or bug light, a caisson lighthouse’s superstructure rests on a concrete or metal caisson. The Caisson design can better withstand harsh weather and are not as fragile as other types of lighthouse designs.
A Unique Tidbit About Spring Point Ledge Light
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