The short answer is yes, you can build a small version of a dry-laid stone arch bridge. To achieve success, you must take your time and cut the stones so they fit tightly against one another.

Constructing an arch bridge can be tricky, since the structure is completely unstable until the two spans meet in the middle. One technique is to build elaborate scaffolding, or "centering," below ...

One of Minnesota's most iconic bridges will undergo a major renovation starting this spring, but crews have some prep work to do this winter.

The bridge is made of 220,000 tons of stone that took 800 workers two years to build under the direction of William Henry Brown, chief engineer of the Pennsylvania Railroad.