Artist Salvador Dali would often get out of paying for drinks and meals by drawing on the cheques, making them priceless works of art and therefore un-cashable.

Pterodactyls are not dinosaurs, they were flying reptiles that lived during the age of dinosaurs but by definition they do not fall into the same category. The same goes for water based reptiles such as Plesiosaurs.

The first household refrigerator cost about $16,000, in today's money.

AMAZING FACTS