Titanic Memorial (New York City) – Wikipedia

The Titanic Memorial is a 60-foot-tall (18 m) lighthouse at Fulton and Pearl Streets in the Financial District of Lower Manhattan in New York City.It was built, due in part to the instigation of Margaret Brown, to remember the people who died on the RMS Titanic on April 15, 1912. Its design incorporates the use of a time ball

https://en.wikipedia.org/wiki/Titanic_Memorial_(New_York_City)