The imposing monuments, the hundreds of churches, and the spectacular fountains of Rome outline its incredible profile and make it the city with the highest concentration of historical, archaeological, and architectural heritage in the world. Its historic centre, is an overlapping of almost three millennia of testimonies. In 1980 it was included in the list of UNESCO World Heritage Sites.
Heart of Catholic Christianity, Rome is the only city in the world to host a foreign state, the enclave of the Vatican City.
