19. The White House official residence of the President of the United States.
20. UNITED STATES CAPITOL meeting place of the United States Congress, the legislature of the Federal government of the United States
21. WASHINGTON MONUMENT obelisk near the west end of the National Mall in Washington, D.C., built to commemorate the first U.S. president, General George Washington.
22. NATIONAL MUSEUM OF NATURAL HISTORY natural history museum and home to about 185 professional natural history scientists.
23. INTERNATIONAL SPY MUSEUM privately owned museum dedicated to the field of espionage located within the 1875.
![OUR TRIP TO USA ,[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/boscaniecostainglese-110320081247-phpapp01/85/Boscani-e-costa-inglese-1-320.jpg)
![BOSTON ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)