@Gonzalo What is the biggest landmark you have ever seen??????

Question: @Gonzalo What is the biggest landmark you have ever seen??????
- Keywords:
  landmark
Asked by Brianerz999 to Gonzalo on 17 Nov 2017.
- Gonzalo Delgado-Pando answered on 17 Nov 2017:
  
  mmm I have been in many, the biggest I think it has been the Toronto CN tower. But I have visited the Taj Mahal, Eiffel tower, Saint Peters Basilica, Sagrada Familia, Burgos Cathedral, and a good bunch of them.
  I enjoyed the most visiting Sahara desert, Iceland and Switzerland Alps.

Question: @Gonzalo What is the biggest landmark you have ever seen??????