Cubic Houses in Rotterdam, Netherlands – The original idea of these cubic houses came about in the 1970s. The concept behind these houses is that Piet Blom tries to create a forest by each cube representing an abstract tree;
The Crooked House, Sopot, Poland – Opened in 2004. It was designed by the award winning Polish architect Szotynscy Zaleski. The designer was inspired by the fairytale illustrations of Jan Marcin Szancer and the drawings of Jan Marcin Szancer and Per Dahlberg.
WonderWorks – Central Florida’s only upside down attraction. An amusement park for the mind, featuring over 100 interactive exhibits for the entire family to experience.
Crooked house, Windsor – is a British building constructed in 1592. The buildingnow stands at a marked angle, having been rebuilt with green wood in 1718.
Upside Down House (Szymbark, Poland)
Weird House Boat (Croatia)
Bunker (Chicago, IL, USA)
Reversible Destiny Lofts (Mitaka, Japan)
and here 50 Strange Buildings of the World http://villageofjoy.com/50-strange-buildings-of-the-world-part-iii/
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