See Alexandria, Mount Vernon and D.C. on a bike. Bike & Roll rents the bikes, helmets and locks and provides both guided and self-guided tours. Take the Bike & Boat Mount Vernon tour and ride the friendly nine-mile bike path that runs next to the Potomac River to Mount Vernon. Visit the estate and return by boat while getting interesting dialogue on Mount Vernon. Or consider taking the Monument Bikes Tour or the Capitol Sites Bike Tour. Maps provided.