Harbor Watch Tower
Northhaven Point
One of the earliest cast-iron lantern retrofits on this coast, marking a transition from oil to modernized optics.
Preserved towers guide
These preserved towers anchor the archive’s map and stories, offering quick historical context for visitors comparing architecture, location, and long-term conservation value.
Northhaven Point
One of the earliest cast-iron lantern retrofits on this coast, marking a transition from oil to modernized optics.
Outer Grey Shoal
Its wave-battered masonry base remains intact, offering a rare example of late 19th-century offshore foundation engineering.
Ridgecliff Headland
Preserved keeper quarters and fog-signal house reveal how crews lived and worked through heavy winter visibility seasons.
Cape Elmo Approach
Its octagonal tower profile and restored gallery rail illustrate distinctive regional adaptations to high crosswinds.
Driftwater Peninsula
A still-functioning heritage beacon where preserved Fresnel lens housing links active navigation with archival interpretation.