Furthermore, the Eifel Park and several maars and lakes are popular tourist destinations. In winter, in some of the highlands, there are opportunities for winter sports, e.g. at the Schwarzer Mann near Prüm, the Weißer Stein near Hellenthal or in Rohren near Monschau. A well known destination for motorsport fans is the Nürburgring with its famous Nordschleife. Another touristic and geological destination is the German Volcano Road, which links the attractions of the Vulkanland Eifel Geopark. There are also numerous mountains and hills with good viewing points as well as several holiday routes. Hiking tourism is also of considerable economic importance, as is reflected in the increasing number of overnight stays for hiking guests and the progressive expansion of the network of trails. In addition to the Eifelsteig trail, which was opened in 2009 and runs from Aachen to Trier across the Eifel, there is a wide network of themed and circular walks. As a traditionally isolated land, in which the population kept a quiet and simple way of life, the Eifel offered fertile soil for lively folk poetry. The sagas, legends and fairy tales, which were told on long winter evenings in the farmhouse parlours, often reflect a longing for a better world, which stood in contrast to the found reality of life. The Eifel also repeatedly offered material for numerous literary and regional studies works - from the Eifel and about the Eifel. Eifel mentality and humour were reflected in numerous anecdotes and jokes. Figures of fun and Eifel characters are brought to life in these stories. The "Dahnener Sprünge" have become famous beyond the region. A love of jokes and ridicule of one's neighbours may have formed motives for these popular stories of Eifel fools. In addition, there are countless horror stories of witches, undead, headless riders, revenants and werewolves, which - like those in the neighbouring Ardennes region - survived into the 20th century. Folk poetry of the Eifel was collected early on. Inspired by Romanticism, in which folklore was seen as a rich source of unadulterated motifs and forms, collections of stories and adaptations of Eifel folk tales emerged. Among the most illuminating collections is the poetic guide through the Eifel region by chaplain, Johann Heydinger. Prominent authors such as Adelbert von Chamisso, Guido Görres, Karl Simrock, Ernst Moritz Arndt and Friedrich Schlegel rank amongst the early Eifel authors.