* The Black Stone: The Black Stone is a small, dark stone that is set into the eastern corner of the Kaaba. It is believed to be a meteorite, and it is considered to be a holy relic by Muslims. The Black Stone is kissed and touched by millions of pilgrims each year.
* The Zamzam Well: The Zamzam Well is a well located near the Kaaba. It is believed to have been created by God when Hagar, the wife of Abraham, was searching for water for her son Ishmael. The Zamzam Well is considered to be a holy site, and its water is drunk by millions of pilgrims each year.
* The Green Dome: The Green Dome is a dome that covers the tomb of the Prophet Muhammad in Medina. It is the second most sacred site in Islam, and millions of pilgrims visit it each year. The Green Dome is considered to be a masterpiece of Islamic architecture.
* The Great Mosque of Mecca: The Great Mosque of Mecca is the largest mosque in the world. It is located in Mecca, and it can accommodate over 2 million people. The Great Mosque of Mecca is a beautiful example of Islamic architecture, and it is a popular destination for pilgrims from all over the world.
* Al-Madinah Mosque: Al-Madinah Mosque is the second-largest mosque in the world. It is located in Medina, and it can accommodate over 1 million people. Al-Madinah Mosque is also known as the Prophet's Mosque because it contains the tomb of the Prophet Muhammad.
* Al-Qiblah Mosque: Al-Qiblah Mosque is a mosque located in Jerusalem. It is believed to be the first mosque ever built. Al-Qiblah Mosque is a sacred site for Muslims because it is the direction that they face when they pray.