Beneath the Lincoln Memorial is one of Washington's best-kept secrets: the Undercroft, a soaring 50,000-square-foot foundation built to keep the landmark from sinking into D.C.'s swampy ground. Now home to a museum,

President Donald Trump announced plans on Thursday to build a new promenade at the Lincoln Memorial in Washington, D.C., saying the project could potentially be called the "Trump Promenade."

Federal judge denies emergency request to block UFC Freedom 250 at the White House and Lincoln Memorial, ruling plaintiffs lacked legal standing.

For the first time since 1922, undercroft of the Lincoln Memorial will be open to the public. What's inside it, and how can you get tickets?

The president announced a new project that would connect the memorial to the Potomac River. He isn’t sure if he wants it to be named after himself.

More than 250,000 people were at the National Mall for King's iconic speech in August 1963

President Donald Trump plans to build a promenade at the Lincoln Memorial. An administration official said the concept is part of the original design of the National Mall.

A UFC news conference at the Lincoln Memorial is causing a rift between the administration and locals as well as tourists.