Hiking's an outdoor activity which consists of walking in natural environments, often on hiking trails. It's such a popular activity that there're numerous worldwide. The health benefits of different types of hiking have been confirmed in studies. The word hiking's understood in all English-speaking countries, but there're differences in usage. In the United Kingdom, hiking's a slightly old-fashioned word, with a flavor more of heartiness and exercise than of enjoying the outdoors; the activity… (More on Hiking)