Sigüenza
Sigüenza is a city in Guadalajara, central Spain. It's known for its centuries-old architecture, including Sigüenza Castle. The fortress-like Sigüenza Cathedral features Romanesque elements and a rose window. Nearby, the Museo Diocesano showcases religious art, including works by El Greco and Francisco de Zurbarán. South, Barranco del Río Dulce Natural Park is home to waterfalls, trails and limestone rock formations.