NORTHERN BURGUNDY, France — Deep in a forest of France's Burgundy region, a group of enthusiasts is building a medieval castle the old-fashioned way — that is, with tools and methods from the ...

Archaeologists believe the medieval castle, found beneath the courtyard of a coastal French hotel, is around 600 years old. Latest U.S.

Guédelon Castle has been under construction for 26 years—using only historically accurate medieval tools and methods. Here’s what that looks like in practice.