Prophetic horsemen sculptures emerge from the River Thames

Opinions flow freely over Frank Gehry's Los Angeles River redesign

How do you clean up a contaminated river?

Billion dollar Los Angeles River makeover gets government green light

Oregon's long-neglected Willamette Falls to get spectacular makeover

Raccoon hops onto alligator's back in Florida

The camper's fest: Wakarusa boasts the best of the outdoors

Are the Mekong River dams double-edged swords?

New Tappan Zee Bridge will be illuminated by smart LED systems

Fjords hoard more carbon than we thought

'Walking the Nile' with Levison Wood

6 friends paddling 5,200 miles on Gulf-to-Arctic adventure

Freaks of Nature

Stories You Won't Believe