A bottle-nosed dolphin named Freddie was known to tow bathers through the water by hooking his large penis around them.

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 town with the most stop signs per capita than any other in the US: LaConner, Washington.

AMAZING FACTS