Tower Hill - Pictured is the site of over 400 executions. Tower Hill is an elevated spot northwest of the Tower of London, just outside the limits of the City of London, in the London Borough of Tower Hamlets. It is the site of the Tower Hill Memorial, Tower Gateway DLR station, and Tower Hill tube station. The street named Tower Hill is a short stretch of the A3211 between Byward Street and a junction with Minories and Tower Hill Terrace.