Lincoln Memorial

National Park Service workers spread salt on icy steps of the Lincoln Memorial in Washington...National Park Service workers spread salt on the icy steps of the Lincoln Memorial in Washington January 3, 2014. A heavy snowstorm and dangerously cold conditions gripped the northeastern United States on Friday, delaying flights, paralyzing road travel and closing schools and government offices across the region.  REUTERS/Gary Cameron

Gary Cameron /Reuters

National Park Service workers spread salt on the icy steps of the Lincoln Memorial in Washington. A heavy snowstorm and dangerously cold conditions gripped the northeastern United States on Friday. 

Police tape blocks a closed Lincoln Memo...Police tape blocks a closed Lincoln Memorial on the National Mall October 1, 2013 in Washington, DC. The US government is in a forced shutdown after lawmakers failed to pass a spending bill last night. AFP PHOTO/Brendan SMIALOWSKIBRENDAN SMIALOWSKI/AFP/Getty Images

Brendan Smialowski/AFP/Getty

Police tape blocks a closed Lincoln Memorial on Tuesday in Washington, DC. The US government is in a forced shutdown after lawmakers failed to pass a spending bill. 

Cyclists ride past the reflecting pool in front of the Lincoln Memorial in Washington...Cyclists ride past the reflecting pool in front of the Lincoln Memorial in Washington August 20, 2013. The Rev. Dr. Martin Luther King, Jr., delivered his "I have a Dream" speech on August 28, 1963 on the steps of the Lincoln Memorial during the March on Washington for Jobs and Freedom. This coming week, Washington will play host to an array of events marking the historic anniversary.  REUTERS/Kevin Lamarque

Kevin Lamarque/Reuters

Cyclists ride past the reflecting pool in front of the Lincoln Memorial in Washington The Rev. Dr. Martin Luther King, Jr., delivered his “I have a Dream” speech on August 28, 1963 on the steps of the Lincoln Memorial during the March on Washington for Jobs and Freedom. This coming week, Washington will play host to an array of events marking the historic anniversary