Video - Secrets of the United States Revealed!

Did you know that the United States has a national treasure buried beneath the streets of New York City? The Federal Reserve Bank of New York stores over $90 billion in gold bars in its vault, making it the largest known stash of gold in the world. Another fascinating fact is that the White House has a secret underground bunker known as the Presidential Emergency Operations Center, which serves as a secure location for the President during national emergencies. Lastly, the United States is home to the world's largest ball of twine, located in Cawker City, Kansas, weighing over 20,000 pounds. What other hidden gems do you think the US holds? Let us know in the comments below!