See the Rub’ al Khali Dunes
The Arabian Peninsula
The mother of all deserts, the epicenter of all sand dunes, the Rub’ al Khali is a massive desert that spans across several countries in the Arabian Peninsula. This vast, unbroken desert sprawls on and on and on and can be pretty intimidating to the average traveler. If you have it in you to make the trek into these dunes, though, you will not be disappointed. You can step totally off the grid and go for days on days in this incredible natural wonder. Just make sure to take an experienced guide and lots of food and water!