This Inauguration Day, President Joe Biden and first lady Jill Biden will wake up in a White House filled with their belongings and personal mementos -- everything from personal photographs to their favorite foods in the kitchen.

President Biden left the White House for the last time as commander-in-chief Monday morning alongside his successor (and predecessor), President-elect Trump. Why it matters: The historic moment likely marks the end of Biden's storied political career.

Donald Trump took the Oath of Office and was sworn in as the 47th President of the United States. He is only the second man in the nation’s history to return to the Oval Office after a hiatus. He has promised to "act with historic speed" – and on his first day in office,

While Inauguration Day marks the transfer of power from one president to another, it also marks another major change at the White House: one first family moving out and another moving in. This final piece of the transition happens behind closed doors,

While everyone's focused on the transfer of power, a small army is working behind the scenes to ensure the White House is ready for the next president.