Boston is the capital of one of Massachusetts, and is one of the oldest cities in the country. It is also one of the most popular cities in the country. Millions of people visit the historic city every year, and more than 673,184 residents live there. It is not only known for its rich history, but its many colleges and universities that attract over 350,000 students every year from all over the world. Boston has rated as the top 30 of the most economically powerful cities in the world. The Greater Boston metropolitan area is the sixth largest economy in the U.S., and it is the 12th-largest in the world, encompassing $363 billion dollars. There are a lot of wealthy people to be found in Boston, and with the wealth, comes expensive single family homes. If you have ever been interested in the city of Boston and curious about the kinds of homes the wealthy purchase in the city, then take a look at these. We have a list of the 20 most expensive homes in the Boston area.