It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that the Prophet (peace and blessings be upon him) performed tayammum while he was looking at the houses of Madinah, from a place called "Mirbad al-Na'am".
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الطهارة / 1065