The Mycological Days of Sigüenza Food and drink · Sigüenza, Serranía de Guadalajara, Guadalajara Image of Sigüenza, not of the place itself. Every November the Sigüenza restaurants devote their menus to the mushrooms of the surrounding area, with mycogastronomy menus, outings to the countryside and displays of species. It is one of the longest-running mycological events in Castilla-La Mancha. Photo: Cruccone (CC BY-SA 3.0 es) What to see and do in Sigüenza