General hiking tip: plan your hike according your physical and mental stage know the trail before you start make sure to have a updated trail map cover your head with a sun hat and put on sun cream were sunglasses when needed put on hiking shoes and the most important is to Drink a lot of Water Lets start with the most iconic hiking trail in the US. Angels Landing, Zion National Park. Hard, scary and steep. This is one of the most popular hikes, visited by thousands yearly starts with 21 switchbacks then getting very narrow and steep, recommended for professionals only.