Golden Gate Bridge took about four years to build.
It's been proven that people can lessen reactions to allergies by laughing.
Every day, 7% of the US eats at McDonald's.
Samuel Clemens (Mark Twain) was born on and died on days when Halley's Comet can be seen.
The native way to say I love you in Russian is Ya lyublyu tebya/Ya vas lyublyu.
There are more than one million animal species on Earth!
During landing of a space shuttle, it takes approximately one minute between touchdown of the wheels and wheelstop, the point at which the shuttle comes to a complete stop.
It costs more to buy a new car today in the United States than it cost Christopher Columbus to equip and undertake three voyages to and from the New World.
Route 20 is the longest highway in the US.
Parrots have 500 pounds per square inch of pressure in their beaks.