The Volkswagen Beetle needs no introduction. It's one of the best-selling vehicles ever to be produced, and it's also the model that put Volkswagen on the world stage, helping it develop into the auto ...

Air-cooled Beetles! Nearly 50 years after the last ones were sold in the United States and 23 years since the final Vocho rolled off the Puebla line, they still show up in American self-service car ...

Arch bridges are one of the oldest types of bridges and have great natural strength. Instead of pushing straight down, the weight of an arch bridge is carried outward along the curve of the arch to ...