Welcome to Extended Stay America - Boston - Waltham - 32 4th Ave. Whether you're staying a few days, a few weeks or longer, this hotel gives you the opportunity to make the most of your time in Boston, MA. Our hotel is conveniently located off I-95. From our location, you can easily visit local attractions such as the Boston Tea Party Ships and Museum, the Franklin Park Zoo, the Public Garden and the Museum of Fine Arts, Boston.