Romania

History is full of artifacts that later turn out to be fakes, but occasionally the opposite can happen. New analysis of ancient Roman coins long dismissed as forgeries has found they seem to be authentic, revealing a previously unknown Roman emperor.

Here's an odd little commuting curiosity from Romania called the Carpii 4ciclet. It's a four-wheeled stepper cycle targeted at older riders that transfers most of the pedaling work from the quads over to the calves, back, abs and backside.

A house in Romania has been built in just the sort of environment it is designed to help protect. Passive House Che is situated in a forest in the Romanian city of Suceava. In addition to a host of sustainability features, the house also has a large net suspended between floors and an indoor lawn.