Historical Engineering

Kaiyuan Changhong Bridge: A Colossal Achievement Over Troubled Waters

Spanning the distance between the past and present, the Kaiyuan Changhong Bridge is a historic marvel from the Ming dynasty that defies time and nature with stone arches and over 500 engraved stone reliefs.

The Smock Mill: A Testament to Engineering and Empathy

Dive into the world of smock mills, an engineering marvel of the late 16th century that turned wind into energy, fueling economies and societies. Explore how these mills united innovation with sustainability.

Water Power and Drama: The Story of Diablo Dam

Diablo Dam is a marvel of engineering nestled in Washington's North Cascades, capturing the tension between progress and preservation. This 1930s dam is both a source of renewable power and a subject of environmental debate.