The 57th Presidential Inauguration

To explore photos taken from the event, search the #inauguration2013, #inaug2013, and #CNN hashtags. And if you’re there, make sure to tag your own photos! You can also browse inauguration photos shared from the National Mall, and West Lawn of the Capitol, and the White House.

Today, an estimated 800,000 people will crowd onto the National Mall to witness the swearing-in of President Barack Obama. The inauguration is the 57th in the United States’ history and follows the November 6 reelection of Barack Obama, America’s 44th President.

The list of the day’s events includes performances by James Taylor, Kelly Clarkson and Beyonce, who is singing the National Anthem.

To view photos from the inauguration as it happens, be sure to follow @NBCNews, @NPR, and @CNNiReport. You can also check out CNN.com for an interactive visualization of Instagram photos tagged with #CNN and shared by people in the crowd.

To learn more, visit the US Senate’s Presidential Inauguration website.