Catalan architect Antoni Gaudí believed that the straight line belonged to man, while the curved was divine. If curved was a metaphor for bending the bricks and mortar rule book, then he certainly wasn't alone in his thinking.
In the modern day, his fellow professionals have carved out homes, offices and public buildings so bizarre that they have become iconic landmarks in their own right.
– or 'crooked house' in English – evokes the boundless world of fairytales, while Ohio's 'basket building' and China's Tianzi hotel have to be seen to be believed.
presents this jaw-dropping selection of the world's most bizarre architecture.
Krzywy Domek, Sopot, Poland (Image: © Wikipedia)
Poland's crooked house was fashioned by design duo Szotynscy & Zaleski. Although it functions as a shopping centre today, it was inspired by the boundless world of fairytales
Kansas City Public Library, Missouri, USA (Image: © Facebook)
The colourful front of Kansas City's Public Library was designed to encourage people to read. Inspired locals chose prominent books they thought should be represented – Lord of the Rings and To Kill a Mockingbird both feature amongst the 22 titles
Tianzi Hotel, Hebei, China (Image: © Pinterest)
This marvel represents the Taoist concept of the three lucky gods – Good Fortune (Fu), Prosperity (Lu), and Longevity (Shou). Relatively new, it was constructed at the turn of the millennium
The Longaberger Company, Ohio, USA (Image: © Wikipedia)
Ohio's famous 'basket building' is home to The Longaberger Company who make handcrafted wood baskets. The structure was commissioned by founder Dave Longaberger, who wanted all his business' lodgings to be basket-shaped
WonderWorks,Tennessee, USA (Image: © Wikipedia)
WonderWorks' upside-down building is a popular science exhibits attraction. The legend goes that a bungled experiment unleashed a tornado which ripped up the mansion from its foundations, but with replicas in Florida and South Carolina, this is definitely a man-made situation
Kunsthaus Museum, Graz, Austria (Image: © Rex)
London-based architects Spacelab won the tender to revive Graz, Austria, in time for its stint as a European Cultural Capital. Few could have imagined their other-worldly creative vision but now, their blue, bulbous shell is affectionately dubbed 'The Friendly Alien' by locals
Cubic Houses, Rotterdam, The Netherlands (Image: © Rex)
Architect Piet Blom's urban planning solution seems to defy geometry, with his cube houses teetering on their pylon bases. At least the people living inside can boast a base which is an icon amongst Rotterdam's landmarks
Sanzhi UFO houses, New Taipei City, Taiwan (Image: © Cypherone, Flickr)
Although they have now been demolished, these eerie, Taiwanese pod houses still have cult status amongst architectural watchers and travellers alike. Construction began in the Eighties but was beset by sinister problems and soon abandoned. The site is now being renovated as a seaside resort