The Netherlands has built 800 miles of massive dikes and sea walls to hold back the sea. See more

Your system of blood vessels is over 60,000 miles long. That's long enough to go around the world more than twice! See more

Half of all Americans live within 50 miles of their birthplace. See more

The longest sausage made in Australia was 11 kilometers (6.9 miles) long. See more

At birth, a panda is smaller than a mouse and weighs about four ounces. See more

A typical bed usually houses over 6 billion dust mites. See more

The telescope on Mount Palomar, California, can see a distance of 7,038,835,200,000,000 million miles. See more

The light from your computer screen streams at you at almost 186,000 miles a second. See more