From the world's first national park, to the home of NASA, the United States of America is filled with amazing things. A road trip through the 50 states is like visiting 50 different countries; each with their own cuisine, history, odd points of interest and sometimes, dark past.

America is chock-full of amazing innovations. Watch a baseball game while eating a chocolate chip cookie and a Reuben sandwich, and you're taking part in three oh-so-American inventions.

Would you prefer to explore the abundant ancient cities scattered throughout the state? Visit seven-story burial mounds in the East. Are steaming geysers more your thing? There's a park for that!

Each state's journey to becoming an official member of the country was different--there were six independent republics (however short-lived) that eventually became independent states or part of neighboring states. Others were fought for in bloody wars triggered by massive land-grabs.

Take this quiz to find out how much you know about good old U.S. of A., from the obvious to the obscure. You might be surprised by what you learn!