Bay Arch, a Denmark-based architecture firm, has a pretty radical idea for overhauling California's famous Hollywood sign: turn it into a posh hotel boasting clubs, movie theaters, spas and more. The 105-foot structure would preserve the original 45-foot sign, though...

The image you see above is not a rendering, despite all appearances. It's a photo taken by Iñigo Bujedo Aguirre of British designer Thomas Heatherwick's UK Pavilion, which opened on May 1st as part of the Shanghai Expo in China....

Pritzker-winning architect Zaha Hadid has done it again, this time with the craziest shopping center ever. While it looks otherworldly, Jesolo Magica will exist here on earth in its complete form by 2014. Located just outside Venice, Italy, inside this...

Here's one way to sidestep climate change, where every low-lying area on the planet will be underwater: Just build underwater skyscrapers! Imagine the magnificent views of undersea flora and fauna from this floating city that's completely self-sustaining. hO2+ scraper is...