Which of these landmarks is not in Europe?

The Pyramids of Giza and the Sphinx were constructed in the fourth dynasty of Egypt's Old Kingdom, arguably the first great civilization on earth. Today, Giza is a suburb of rapidly growing in Greater Cairo, Africa. Standing at the base of the Great Pyramid, it is hard to imagine that this monument—which remained the tallest building in the world until early in this century—was built in just under 30 years.

Source: PBS