Private Walking Skip the Line Sagrada Familia Tour with Independent Interior Visit. Gain skip-the-line entry to La Sagrada Familia after a private 90-minute tour of its exterior features. Travel by public transport with your own personal guide to the famed cathedral, designed by Antoni Gaudí and still under construction. During your walking tour, you’ll learn about its Biblical scenes such as the meticulously sculpted nativity façade, listed by UNESCO as a World Heritage site. Book this Tour and Save 15%! Private Walking Skip the Line Sagrada Familia Tour with Independent Interior Visit.