Boston's West End is a neighborhood with a rich history:

"The Mill Pond, which had become a body of festering, stagnant water; was filled in. Over the next 25 years, portions from the tops of Beacon Hill and Copp's Hill were transported to reclaim nearly 70 acres of buildable land. This included the North End neighborhood to the west of Salem and Prince streets, as well as the area now called the "Bulfinch Triangle" where the Boston Garden and North Station now stand." K. Guild Nichols - Historian