The Kodiak, which is native to Alaska, is the largest bear and can measure up to eight feet and weigh as much as 1,700 pounds.

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.

A stamp shaped like a banana was once issued in the country of Tonga.

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