Lincoln Memorial
"The building is in the form of a Greek Doric temple, and contains a large seated sculpture of Lincoln and inscriptions of two well-known speeches by Lincoln. The memorial has been the site of many famous speeches, including Martin Luther King's 'I Have a Dream' speech, delivered on August 28, 1963, during the rally at the end of the March on Washington for Jobs and Freedom. "
http://en.wikipedia.org/wiki/Lincoln_MemorialVietnam Veterans Memorial
"The Memorial consists of three separate parts - the Three Soldiers statue, the Vietnam Women's Memorial, and the Vietnam Veterans Memorial Wall, which is the most recognized part of the memorial. The memorial is sometimes popularly called the Vietnam Memorial, the Vietnam Wall or simply The Wall. "
http://en.wikipedia.org/wiki/Vietnam_Veterans_MemorialThe White House
"The White House is the official home and principal workplace of the President of the United States of America. The house is built of white-painted Aquia sandstone in the late Georgian style. It is located at 1600 Pennsylvania Avenue NW in Washington, D.C. "
http://en.wikipedia.org/wiki/White_HouseNational Shrine of the Immaculate Conception
"The Basilica of the National Shrine of the Immaculate Conception is a prominent basilica of the Roman Catholic Church located in Washington, D.C., honoring The Blessed Virgin Mary as Our Lady of the Immaculate Conception, The Patroness of the United States. ..It is the largest church in the Western Hemisphere and seventh-largest religious structure in the world."
http://en.wikipedia.org/wiki/Basilica_of_the_National_Shrine_of_the_Immaculate_ConceptionU.S. Capitol
"The building, designed by William Thornton, is marked by its central dome above a rotunda and two wings, one for each chamber of Congress: the north wing is the Senate chamber and the south wing is the House of Representatives chamber. Above these chambers are galleries where people can watch the Senate and House of Representatives. "
http://en.wikipedia.org/wiki/U.S._CapitolFDR Memorial
"The Franklin Delano Roosevelt Memorial is a United States Presidential Memorial dedicated not only to the memory of President Franklin Delano Roosevelt, but also to the era he represents. "
http://en.wikipedia.org/wiki/FDR_MemorialWashington Monument
"The Washington Monument usually refers to the large white-colored obelisk at the west end of the National Mall in Washington, D.C.. It is a United States Presidential Memorial constructed for George Washington, the first President of the United States and the leader of the revolutionary Continental Army, which won independence from the British following the American Revolutionary War. "
http://en.wikipedia.org/wiki/Washington_Monument