The Kingdom of Saudi Arabia is the largest state in the Middle East. It is bordered by Jordan, Iraq, Kuwait, Qatar, the United Arab Emirates, Oman and Yemen. It's capital is Riyadh. Saudi Arabia, and specifically the Hejaz, as the cradle of Islam, has many of the most significant historic Muslim sites including the two holiest sites of Mecca and Medina. The two most important mosques are: Masjid al-Haram in Mecca, which contains Islam's most sacred place, the Kaaba, and Al-Masjid al-Nabawi in Medina which contains Muhammad's tomb.
Top destinations in Saudi Arabia are: Riyadh, Jeddah, Al Khobar, Mecca, Dammam and Medina.
Things to do in Saudi Arabia: desert excursions, scuba diving (Saudi Arabia's Red Sea coast), amusement parks (many of them indoor) are often found near malls or beaches, public parks and zoos.