Pilgrimmage (Hajj)
Bukhari :: Book 2 :: Volume 26 :: Hadith 749
Narrated Anas:
The Prophet saw a man driving a Badana. He said, "Ride on it." The man replied, "It is a Badana." The Prophet said (again), "Ride on it." He (the man) said, "It is a Badana." The Prophet said thrice, "Ride on it."