For 20 years, Sally Snowman has kept watch over Boston Light, which first illuminated Boston Harbor in 1716. She's the country's last Coast Guard lighthouse keeper and is retiring at the end of 2023.

In our NewsHour Shares moment of the day, we visit the nation’s first lighthouse, which opened off Boston’s coast 300 years ago. Today, the lighthouse keeper is Sally Snowman, the first woman in a ...

In dense fog and heavy snow, a singular beaming light guides the way through Boston Harbor. Since 1716, rickety schooners and hefty container ships alike have looked to Boston Light for a helping hand ...