Is Oman the most relaxing country to travel in the Middle East?

A lot of Middle Eastern destinations are known for fast-paced cities, luxury tourism, or crowded attractions but people who visit Oman often describe it very differently: calm, quieter, and surprisingly peaceful. For those who've traveled there, did Oman actually feel different from other countries in the region? What stood out more to you; the landscapes, the people, the road trips, or just the overall atmosphere?