Inauguration 2017: The Sights in Washington, DC

Security has been heightened in Washington, D.C., for Friday's presidential inauguration, Jan. 19, 2017.

Fireworks explode above the Washington Monument during a presidential inauguration concert in Washington, D.C., Jan. 19, 2017.

The U.S. Capitol and the Capitol Reflecting Pool are shown ahead of Friday's presidential inauguration in Washington, D.C., Jan. 19, 2017.

Port-a-potties and fencing are in abundant supply near the U.S. Capitol in Washington, D.C., ahead of Friday's presidential inauguration, Jan. 19, 2017.

Security is high ahead of Friday's presidential inauguration in Washington, D.C., Jan. 19, 2017. Tourists walk through streets that have been blocked near the U.S. Capitol.

Tourists look at souvenirs for the presidential inauguration on Friday in Washington, D.C., Jan. 19, 2017.

The U.S. Capitol is lit up ahead of Friday's presidential inauguration in Washington, D.C., Jan. 19, 2017.

Tourists walk through deserted streets near the U.S. Capitol ahead of Friday's presidential inauguration in Washington, D.C., Jan. 19, 2017.

A man sells souvenirs ahead of Friday's presidential inauguration in Washington, D.C., Jan. 19, 2017.

The U.S. Capitol in Washington, D.C., Jan. 19, 2017.

The U.S. Capitol at dusk on the eve of Friday's presidential inauguration in Washington, D.C., Jan. 19, 2017.

Fireworks explode above the Washington Monument during a presidential inauguration concert in Washington, D.C., Jan. 19, 2017.

A view of the National Mall and monuments, as well as the U.S. Capitol, at night, Jan. 19, 2017.