Every vice president since 1977 has lived at Number One Observatory Circle. Background: Katherine Frey/The Washington Post via Getty Images. Inlay: Chip Somodevilla/Getty Images ...

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If walls could talk, Number One Observatory Circle would share some stories. The residence has welcomed every Vice President since Walter Mondale in the 1970s and, today serves as Kamala Harris's ...

Number One Observatory Circle, the official residence of the vice president of the United States since 1974, pictured on October 28, 2016. Katherine Frey/The Washington Post via Getty Images ...