Nature walks are good for you, but can a city stroll be just as good? Walking in nature has been shown to boost physical and mental health, improve cognitive performance, lower stress and restore attention. But researchers say there are also mental-health benefits to walking in urban areas. You just have to find the right path and pay attention to your surroundings. Walking through historic areas of cities can make people feel less stressed and more energized — some researchers say even more so than walking through a park. Or you could simply focus on natural elements during your city walk. Trees in particular seem to make people more relaxed — even if they're on the street.