Celery has negative calories! It takes more calories to eat a piece of celery than the celery has in it to begin with. It's the same with apples!

Vasaloppet, which is located in Sweden is the oldest, longest, and the biggest cross-country ski race in the world. Every year, 14,000 people compete in the race.

Oslo, Norway is the world's most expensive city. A gallon of gas costs almost $8, and it costs $1.32 to use the public restrooms.

AMAZING FACTS