Spanish architect Antoni Gaudi defied rigid geometry when he designed Casa Mila Barcelona.

Standing nearly as tall as the Eiffel Tower, it is chained to the seabed 2.4km metres below and is capable of extracting oil at a maximum depth of 2.9km.

Having an outstanding sense of smell but poor eyesight, Kodiak Bears can stand up to three meters tall and weigh approximately 780kilograms.