If you want to see the beautiful architecture of Washington, D.C. from a completely new angle, why not step onto the gorgeous Mount Vernon Trail? Running along the west bank of the historic Potomac River from the town of Mount Vernon to Theodore Roosevelt Island, this 18 mile trail offers many different experiences—the southern half is heavily wooded, bucolic and peaceful, while the northern eight miles are great for people-watching and urban sightseeing, with fantastic views of Washington’s many monuments across the river. The trail is exceptionally well-maintained, with few major elevation changes, so it’s suitable for people at different fitness levels, whether they be walking, running or cycling. Access to the trail is incredibly convenient at a number of locations along the route, so don’t feel like you need to tackle the whole eighteen miles at once. Stop for a picnic at Gravelly Point and watch airplanes take off and land.