a good future depending on the culture and the visitors

The ghosts are the ghosts of Christmas Past, Present, and Future

It will in fact never be made. If it were possible, it would have been made in the future and we would have seen visitors from the future in our collective history.

However, the concept that 'miracle workers' like Jesus of Nazareth are visitors from the future employing future technology to perform feats when stuck in the time journeyed to cannot be dismissed.

The Visitors - The Visitors album - was created in 1979.

1. Preserving natural, cultural, and historic resources of national significance.

2. Providing for the enjoyment of visitors and for future generations.