What is memorable about Mecca, Saudi Arabia? i NEED IT a.s.a.p.!please and thank you ok?

in makha the memorable places are the birth place of rasool allah s.w.s, his house, cave of Hira, Masjid ul haram, , then on the way to madina, cave of saur, masjid e nabawai, janat ul baqie, etc.