A light shines in the lantern room of Alligator Reef Lighthouse Friday, Oct. 6, 2023, in the Florida Keys off Islamorada, Fla. Established in 1873, and named after a U.S. Navy schooner that ran ...

In this Friday, Oct. 6, 2023, photo provided by the Florida Keys News Bureau, Alligator Reef Lighthouse is bathed in light off Islamorada, Fla., in the Florida Keys.

In this Friday, Oct. 6, 2023, photo provided by the Florida Keys News Bureau, Alligator Reef Lighthouse is bathed in light off Islamorada, Fla., in the Florida Keys. Alligator and five other aging ...