Churning out more advanced degrees than any other city, Boston is home to over 100 colleges and universities. Because of this, its primary industries are research, electronics, engineering, finance, and high-tech (especially bio-engineering). The Greater Boston Area is home to Boston College, Boston University, Harvard, MIT, Tufts, and Emerson. As it is one of the top 10 most popular tourist locations in the country, people from all around marvel at the way old and new seamlessly meld together. A trip to Boston Common shows you not only one of the most beautiful parks in the country, but gives you access to the finest loose diamonds and engagement rings, Boston has to offer.