Alaska and California, with 8 each, are the US states with the most national park sites.
Disney World in Orlando, Florida covers 30,500 acres (46 square miles), making it twice the size of the island of Manhattan, New York.
Grand Rapids, Michigan was the first city in the US to put fluoride in their water.
Hawaii is the only US state that grows coffee.
Hawaii officially became apart of the US on June 14, 1900.
In the Great Seal of the US the eagle grasps 13 arrows and an olive branch.
Lake Pontchartrain Causeway at New Orleans, Louisiana, is the world's largest bridge. It is almost 24 miles (about 38 kilometers) long.
Maine is the only state in the United States whose name has one syllable.
Mexico City is the oldest capital city in the Americas.
More water flows over Niagara Falls every year than over any other falls on earth.
Most landfilled trash retains its original weight, volume, and form for 40 years.
New Jersey, with 96, is the US state with the greatest number of hazardous waste sites.
St. Augustine, Florida is the oldest city in the US.
The 1st US zoo was built in Philadelphia, PA, in 1876.
The abbreviation 'ORD' for Chicago's O'Hare airport comes from the old name 'Orchard Field.'
The border between Canada and the U.S. is the world's longest frontier. It stretches 3,987 miles (6,416 km).
The Fresh Kills Landfill site on Staten Island, New York, opened in 1948, is the world's largest. It covers 3,000 acres and receives up to 14,000 tons of garbage a day.
The Great Lakes are Lake Michigan, Lake Huron, Lake Superior, Lake Erie and Lake Ontario.
The Great Lakes are the most important inland waterway in North America. All the lakes, except Lake Michigan, which lies entirely in the United States, are shared by the United States and Canada and form part of the border between these countries.
The Great Lakes contain 6 quadrillion gallons of fresh water, one-fifth of the world's fresh surface water. The Great Lakes are the largest group of freshwater lakes in the world.
The Great Lakes have a combined area of 94,230 square miles - larger than the states of New York, New Jersey, Connecticut, Rhode Island, Massachusetts, and Vermont combined.
The Hollywood sign was first erected in 1923. Conceived as a real estate ad, it originally read Hollywoodland. The sign stands 50 feet tall, stretches 450 feet across, weighs 450,000 pounds.
The largest body of fresh water in the world is Lake Superior.
The largest US city in area is Juneau, Alaska, which covers 3,108 square miles. Los Angeles covers only 458.2 square miles.
The Mauna Loa volcano in Hawaii is the largest volcano on Earth. It rises more than 50,000 feet (9.5 miles or 15.2 kilometers) above its base, which sits under the surface of the sea.
The Ohio river forms at the confluence of the Allegheny and the Monongahela.
The original name of Los Angeles was El Pueblo de Nuestra Senora la Reina de los Angeles del rio Porciuncula, translating into:The Village of our Lady the Queen of the Angels of the Porciuncula River.
The San Diego Zoo in California has the largest collection of animals in the world.
The tallest monument built in the US, the Gateway Arch, in St. Louis, Missouri, is 630 feet tall.
The US city with the highest murder rate is Detroit.
The water in the Great Salt Lake of Utah is more than four times as salty as any ocean.
The world’s largest statue of a mosquito is a roadside attraction in Komarno, Manitoba, the Mosquito Capital of Canada. Sculpted in 1984, it is made of steel and has a wingspan of 15 feet. It’s also a weathervane, swiveling in the wind.