Must-Do List Offbeat NOVA Think you know Fairfax County? Think again! Check out these quirky spots you won’t want to miss! FOAMHENGE This full-size replica of the original Stonehenge at Cox Farms Fall Festival is made entirely from Styrofoam. And it’s awesome. SMASH PIT Grab a sledgehammer to pound out your frustrations at this “rage room” in Springfield. WASHINGTON & OLD DOMINION TRAIL This 45-mile-long trail spans three counties along a former railroad bed. It’s also the “skinniest park in Virginia.” MATILDAVILLE RUINS AT GREAT FALLS PARK Walk amongst the stone ruins of this ghost town established to build the Patowmack Canal. SMITHSONIAN’S NATIONAL AIR AND SPACE MUSEUM STEVEN F. UDVAR-HAZY CENTER FOAMHENGE AT COX FARMS (PATRICK LENNON) FXVA.COM • 15