Reliable Source: Washington's second-most expensive home hits the market for $16.5 million

One clear sign that a home has gone from standard to surreal? When the video tour goes on for nearly five minutes.On Friday, Washington's second-most expensive home hit the market at a whopping $16.5 million. (The most expensive listing is the $22 million Textile Museum building). Located in the posh hood of Massachusetts Avenue Heights, 2221 30th St. NW was the former showpiece of the late venture capitalist Melvyn J. Estrin, who died last July at 71.