The atmosphere in every corner is special. Learn the bloody side of Spain history. But there is a secret side. What terrible things happened in the past? What is the spookiest place in the city? Discover foreboding, less-traveled routes. What mysterious creatures can be seen in the darkness? This tour is especially recommended in the Halloween period. You will be led by a local professional who will bring to life some of the ghost stories and tales. Stroll the cobblestone streets and alleys in the shadow of night. Are you ready to immerse yourself in the dark secrets of Madrid. We all know beautiful places, monuments, and famous buildings. Every city has more than 1 face.