I consider it to be a more recent (but still very old) entry in a category of human constructions that also includes the Parthenon, the Colosseum, the Taj Mahal

I consider it to be a more recent (but still very old) entry in a category of human constructions that also includes the Parthenon, the Colosseum, the Taj Mahal, Angkor Wat, Machu Picchu, and Stonehenge.