Number One Observatory Circle is the official residence of the US vice president. Pablo Martinez Monsivais, File/AP The vice president's official residence is on the grounds of the US Naval Observatory. Different vice presidents have added amenities such as a pool, a jogging track, and a garden. The residence may be haunted — Walter Mondale's daughter once said she saw a ghost in her bedroom. Vice President JD Vance and his wife, second lady Usha Vance, moved into the vice president's offic...