Road tripping and car rentals aren’t for everyone. Luckily, the U.S. is home to some of the best transit hubs in the world, and they also happen to be world-class destinations. From hopping on a cable car in San Francisco to circling Washington D.C.’s blossom-dotted Tidal Basin, you can easily see many of America’s best destinations on foot. Here are the top walkable cities in the U.S. as determined by Walk Score.