All 50 states are listed across the top of the Lincoln Memorial on the back of the $5 bill.

Random Facts

• Guinea pigs and rabbits can't sweat.
  Animal Facts
• The fingerprints of koala bears are virtually indistinguishable from those of humans, so much so that they could be confused at a crime scene.
  Animal Facts
• A group of twelve or more cows is called a flink.
  Animal Facts
• Plutonium - first weighed on August 20th, 1942, by University of Chicago scientists Glenn Seaborg and his colleagues - was the first man-made element.
  Science and Technology Facts
• A pig's orgasm lasts 30 minutes.
  Animal Facts
• Ethernet is a registered trademark of Xerox, Unix is a registered trademark of AT&T.
  Science and Technology Facts
• Polar bears are left-handed.
  Animal Facts
• Ten percent of the Russian government's income comes from the sale of vodka.
  Misc Facts