The 2012 International Poznań Ice Festival.
Can the good work of the Green Impact Zone be sustained once federal funds run out?
In this video, a blend of time-lapse and macro photography creates a festive look.
Robbie Griffith is starting to get noticed in the urban sport, and it's easy to see why.
Go ahead, play a few notes.
Starring a rusty Land Rover.
Sure, it could kill you, but there's no thrill quite like riding on the roof of a 125 mph commuter train.
Colder than the frost on a champagne glass!
A government tax incentive program has made cycles affordable for thousands.
Russian adventurers dressed like construction workers to reach the ice-covered pinnacle of Mercury City, which is taller than London's Shard.
France's Nantes has a powerful plan to cut carbon, eliminate cars, and redevelop the city's heart.
The worst drought in half a century has brought water levels close to historic lows.
The "Loud Bicycle" prototype can blast careless drivers with a 30-second trumpet that's as loud as a rock concert.
The largest iceberg breakup ever caught on film.
A design firm stitched together 7 distinct buildings of different eras and styles, creating a mixed-use complex in the heart of Pittsburgh.
From what hellish port of call did this monstrous waterfowl come?
Find out exactly why LaHood believes "safety" is the number one transportation accomplishment of the first four years of President Obama's administration.
Fragments of buildings seem to float and spin in the sky in this mesmerizing clip.
Judith Rodin will help design a "climate-conscious overhaul" of New York's infrastructure before the next storm rolls in.