No one knows how to merge, say road officials

The ambitious plan to 're-stitch' Atlanta's urban core

Watch helium-filled 'Flying Bum' take flight

8 extraordinary public elevators

Florida-to-Maine bike path picks up speed along Eastern Seaboard

First U.S.-approved drone delivery drops off donuts from 7-Eleven

Why one Vermont town is un-paving roads instead of repairing potholes

Route 66 is getting a patch of solar power-generating pavement

Driving an hour a day adds inches to your waist

Map lovers and fans of national parks: Meet your new favorite website

Take a tour of America's vanishing rest stops

How are there ghost ships in modern times?