Barcelo, Spain, Casa Batllo (World Heritage Site) - One of 2 houses by Gaudí in Barcelona that can be toured. truly amazing and worth the visit. go in the mornings, before the site gets crowded with architecture students.
Among the major tourist sites, there is only one considered to be “The major” and on top of any list - are the Pyramids of Giza There are three main Pyramids here. The Pyramids of Ancient Egypt were built as tombs for Kings.