111 Huntington Avenue is a skyscraper on Huntington Avenue in Boston, Massachusetts, United States. It is part of the Prudential Center complex that also houses the Prudential Tower. Completed in 2002, the tower is 554 feet tall and houses 36 floors. It is Boston's 13th-tallest building. Its recognizable dome gives the tower the unofficial nicknames of The R2-D2 Building and the Juicer Building.