Dubai's Infinity Tower.

https://in.finance.yahoo.com/photos/dubai-s-infinity-tower-the-tallest-twisted-tower-1372055185-slideshow/infinity-tower-photo-1960100767.html

Dubai's Infinity Tower, the world's tallest building which features a 90-degree angle twist in its structure, has finally been completed and launched on June 10.

Dubai is now home to the world's tallest twisted building, the Infinity Tower, a AED 1 billion (Rs 1623 Crore) project by UAE-based construction company Arabtec.