Our curator of transportation discusses the evolution of firefighting with host Mo Rocca, who also shows us the art of aluminum cans, 3D-printed parts for classic cars, and a portable chair that packs down to the size of a water bottle.

Our curator of historic structures & landscapes discusses covered bridges with host Mo Rocca, who also shows us the device rewarding your pooch, taking a picture with your wrist, and reusable washcloth tablets.