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.

Frosted Flakes mascot "Tony the Tiger" has a wife, son (Tony Jr.) and daughter (Antoinette) that were used in early advertising commercials.

South Dakota is the only U.S state which shares no letters with the name of it's capital.

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