Public transportation is both the savior and the bane of the urban commuter. These six ideas stand to transform the way we move around the city of the future.

Tired of keeping track of all of your little gadgets? This concept would let them all come together into one super-functional super-device.

How would you like to forget about schedules and simply hop aboard the next passing cloud to leisurely float away? This odd concept proposes exactly that.

Venice is sinking, but who cares? Residents and visitors can watch it all go down from bowl-shaped concrete islands that host concerts, parties and other events.

A long-abandoned underground space may soon be turned into a subterranean version of the High Line park, complete with high-tech sunlight harvesting.

From hand-cranks and USB ports to memory foam and - um - bacon, these battery designs and concepts create portable power in clever and sometimes strange ways.

Rotterdam's MVRDV, a team of 50 architects, has a sustainable vision for the future with stunning distinctive designs that seek to make cities more livable.

These 13 bridges aren't just a way to get across a river or valley - they're futuristic wonders filled with activity and unusual functions.

While we wait patiently for the release of Tron: Legacy, these designers are putting their energy to good use and creating all sorts of Tron-inspired goodness.

Syd Mead's sci-fi concept art has defined some of the greatest movies ever. These digital artists take inspiration from those iconic images for their concepts.