View of the southeastern tip of the Arabian Peninsula with the Gulf of Oman at upper right. Original from NASA . Digitally… Free Image from public domain license 
The Rub' al Khali, one of the largest sand deserts in the world, encompassing most of the southern third of the Arabian… Free Image from public domain license 
Salalah, Oman. Original from NASA. Digitally enhanced by rawpixel. Free Image from public domain license 
Iran, Trucial Coast, Oman, Zagros Mountains, and Qishm Island (large island at lower left), as seen from the Gemini-12… Free Image from public domain license 
The Musandam Peninsula, part of Oman. Original from NASA. Digitally enhanced by rawpixel. Free Image from public domain license