American's Top 5 favorite architecture

What's the favorite architecture for Americans? Here is the top 5 voted by Americans on favoritearchitecture.org.
1.Empire State Building. 1931 New York city by William Lamb

2. White House. 1792 Washington D.C. by James Hoban

3. Washington National Cathedral. 1990 Washington D.C. by George Frederic Bodley and Henry Vaughan

4. Thomas Jefferson Memorial. 1943 Washington D.C. by John Russel Pope

5. Golden Gate Bridge. 1937 San Fransisco by Irvin F. Morrow and Gertrude C.Morrow