The nighttime display followed performances by a parade of celebrities who descended on Washington to welcome the new Biden-Harris administration.
Trump, who departed the White House shortly after 14:00 CET with his wife, Melania, said it had been "a great honour, the honour of a lifetime" to serve as president.
The top ranks of American politics have historically been dominated by men, almost all of them white. That's now coming to an end.
Kamala Harris makes history today as the first woman to ever be VP, but she has interesting climate credentials too.
Trump's statue "cost a lot of hair", laughs the museum's director-general.