Probably the current president.
Oprah
christian
Us darling.
Alaska
The US is known for American football. The UK is most known for football (soccer).
The chocolate chip cookie
In the US, the turkey
Micro$oft
He was known as the most liberal Senator.
Washington, D.C. is known throughout the world. In my opinion, it is the most famous place in the US.
This would depend on how you see a battleship as most known. The USS Arizona is a well known US battleship, as it was sunk in Pearl Harbor on December 7, 1941.
Mr.Obama