These holes tend to be rather large (over 6 inches wide) and occur where pocket gophers and ground squirrels live. The photo on the left is a badger den. Note the volume of dirt excavated. The photo at the right is a badger left after hunting for food.
Cities in Spain. Discover the most beautiful Spanish cities and sites such as the Madrid, Barcelona, Granada's Alhambra or the Plaza Mayor in Salamanca.
Valencia, Spain's third biggest city, doesn't have that iconic, must-see reason to visit. There's no Sagrada Familia or Prado museum here, or anywhere near the number of sights Madrid and Barcelona have. But Valencia is still a fine place to visit.