The crossword solution for the term BIG ___ (LONDON ATTRACTION) is BEN, which stands for the London landmark, the Big BEN. Big BEN is the nickname for the Great Bell of the clock at the north end of the Palace of Westminster in London, and is usually extended to refer to both the clock and the clock tower. The tower was designed by Augustus Pugin and built between 1843 and 1859. It is one of the most famous landmarks in the world and is a symbol of the United Kingdom and its parliamentary democracy.