An 800-year-old castle in England's Lake District is being dubbed the first-ever "eco-castle" for upgrading to heat pumps, all without sacrificing the historic integrity of the landmark. The Lancaster ...

In the ninth and tenth centuries, castles were often built of wood and easily burned down by enemies. As unrest spread across Europe and warfare began to change, castle designs had to adapt. Looming ...

Tucked among New England's rolling hills, rocky coasts, and quiet forests are architectural gems that look like they are straight out of a European fairy tale. From grand and gothic to romantic and ...