If there are any remaining final frontiers in tourism , Saudi Arabia must be hovering at the top of the list. Even though it's a popular destination in the Middle East due to religious pilgrimages, it has remained off the radar for all but the most determined travelers. The kingdom's doors have been firmly shut to non-Muslim and non-business visitors, but September 2019 sees the launch of much-awaited tourist visa for a select list of countries who will finally have the chance to explore the ancient culture and heritage of this once off-limits land.