Giridih, like the name suggests, is the land of hills situated in Jharkhand. It's surrounded by hills and greenery and boasts of waterfalls, pilgrimage centres and unexplored trails. Don't miss the Usri Falls, Khandoli Park and the Parasnath Wildlife Sanctuary. Head to Shikharji and Parasnath Hills for scenic views and age-old temples. They are also popular pilgrimage places.