America is a big ol' place. Did you know that there are 50 states that constitute the United States? If so, you might enjoy this quiz on the 50 states, because that question is about as easy as it's going to get. Strap in and take a cruise around the United States with this HowStuffWorks original quiz. See more »

Think New York City is the state capital of New York? Then you may have a bit of trouble with this state capitals quiz. Give it a shot and learn a little something along the way. (The state capital of New York is Albany, by the way.) See more »

Niagara Falls, a waterfall on the border between the United States and Canada. The falls are on the Niagara River, which flows from Lake Erie to Lake Ontario. See more »

Albemarle Sound, a shallow arm of the Atlantic Ocean in northeastern North Carolina. See more »

Baker Island, an uninhabited coral atoll in the central Pacific Ocean, about 1,900 miles (3,060 km) southwest of Hawaii. See more »

Glacier National Park, a unit of the National Park System in the Rocky Mountains of northwestern Montana. See more »

Gulf Coastal Plain, the low-lying area that borders the Gulf of Mexico, from Florida to the Yucatán Peninsula. See more »

Hampton Roads, a wide channel in southeastern Virginia by which the James River enters Chesapeake Bay. See more »

Hell Gate, a rocky channel in the East River at New York City. It lies between upper Manhattan and Long Island. See more »

Lewis and Clark Cavern, a large limestone cave in Jefferson County, Montana. It is 40 miles (64 km) southeast of Butte. See more »