The Newport Cliff Walk in Rhode Island is widely considered a "must-do" activity for travelers visiting the Northeast in 2026. This 3.5-mile path is unique because it combines the natural beauty of the rocky Atlantic coastline with architectural history, as it winds behind the sprawling "Gilded Age" mansions of the Vanderbilt and Astor families. It is absolutely worth it for photographers, history buffs, and casual walkers alike, offering a perspective of these historic estates that you cannot see from the street. While the first half of the walk is paved and easy, the southern end becomes a bit more rugged and requires some rock scrambling, which adds a sense of adventure for those who are physically able. As it is a public right-of-way, there is no entry fee, making it one of the best "free" experiences in Newport. For many, the juxtaposition of the crashing waves against the meticulously manicured lawns of the Breakers and Marble House creates an unforgettable atmosphere that perfectly captures the essence of coastal Rhode Island.