Castle!

In the forests of Burgundy about two hours south of Paris, a brand new medieval castle is rising over the landscape.

Guedelon uses only medieval construction techniques. The site is open to the public and the builders are happy to explain
their crafts as they go.

I've done this myself, building furniture at the Remnaissance Festival, but mon Dieu this is nifty.

Mirabilis articles: here and here.