Bite into one, and the exterior shatters just so, revealing an interior honeycomb of tender, buttery chambers that pull apart with gentle resistance—exactly as the pastry gods intended. The plain ...

Some routes, of course, are superior to others, serving up memorable views from the observation car—or a private roomette.

The Front Royal Entrance (Mile 0) at the northernmost point gives you the full experience if you’re planning to drive the ...