A modern glass-and-steel home in the trees above Linden, Virginia. Ten acres, walls of glass, and the Blue Ridge in every window. Offered at $1,600,000 — take the tour. Out here, the reflex is to go big. More square footage, more wings, more house to heat, furnish, and dust. So it's a genuine pleasure to step into a home that argues the other way — that the real luxury isn't more house. It's more mountain. 4791 Observatory Lane sits on ten wooded acres above Linden, about an