Why go up when you can go down? Shanghai's underground hotel - the lowest in the world.

For more than a decade, China has been a front-runner in the world’s skyscraper race. Now the country is taking the pole position in digging “groundscrapers” -- enormous structures built mostly underground. Developed by Shanghai Shimao Property Group and to be managed by InterContinental Hotels Group, the hotel located in SongJiang, named InterContinental Shimao Shanghai Wonderland, is expected to extend 19 stories into the bottom of the pit. It's due to open in 2015. Read more