Used for water distribution, the Delaware Aqueduct in New York, USA is the longest tunnel in the world (as of 2010). Drilled through solid rock, it reaches a staggering 137 kilometres (85 miles) in length. More tunnel facts.

The first flavour of a cheese ball was called "Cheddy Blue."

The width of a tornado can range from less than ten yards to more than a mile.

AMAZING FACTS