In which country would you find the rock-hewn churches of Lalibela?

In which country would you find the Registan? In which country would you find Jemaa el-Fnaa square? In which country would you find Chefchaouen? In which country would you find the ruins of Carthage? In which country would you find Robben Island? In which country would you find the Great Mosque of Djenné? In which country would you find the Tower of London? In which country would you find Big Ben?