The Tower Hill Memorial is a war memorial located in London, England, dedicated to the sailors and marines of the Merchant Navy who died during both World Wars. It is situated near the Tower of London and was unveiled in 1928, with an extension added in 1955 to honor those lost in World War II. The memorial features a striking stone structure and lists the names of over 35,000 individuals who perished at sea. The memorial is part of the Commonwealth War Graves Commission and serves as a place of remembrance for families and friends of the fallen. It symbolizes the sacrifices made by the Merchant Navy and highlights the vital role they played in supporting military operations during times of conflict.