15. Riyadh, Saudi Arabia
Riyadh is inland and the capital of Saudi Arabia. The city is one of the most dangerous cities due to the high rate of crimes, and violent protests towards both foreign ex-pats and travelers.
The city has been hit by long-range missile attacks from Yemen. The city is a site where not to be a tourist. There is a high risk of being a target for missile attacks, terrorist attacks, and violent protests. Potential targets for terrorists are foreigners, religious sites, and other highly stranded busy areas. According to the expert, this city is not safe for tourists, so you should avoid traveling to it.