Before 1875, ships sailing by the North Carolina coast faced a 40-mile "blind spot" between Bodie Island and Virginia's Cape Henry. Then, the Currituck Beach Lighthouse in Corolla was created.

The ship’s crew work hand in hand with helicopter pilots who transfer these supplies from the ship to the lighthouse ... rely on local ferryman Shifty to sail them, along with everything ...

The ship will sail on two-hour journeys ... The trip will go along the Delaware Bay and head east toward Cape May Lighthouse or west toward West Cape Bay. Wednesday and Saturday morning sails ...

With heavy fog and windy conditions, sailing into San Francisco Bay has long been a hazardous affair. Then, in 1870, things got a lot safer with the construction of the Point Reyes Lighthouse.