Just 75 miles south of Washington, D.C., in Shenandoah National Park, is the 105-mile Skyline Drive, and traveling the road by car is one of the most iconic American road trips you can undertake.

Travelers can access Skyline Drive from four points ... head to the Berry Hollow parking lot for a roughly 5.5-mile (round-trip) hike with approximately 1,700 feet in elevation gain.

Stretching for 105 miles north and south along the crest of the Blue Ridge Mountains, Skyline Drive is the only public road through the 200,000-acre park. When you're not gazing at the Shenandoah ...