Authentic Vacations has been in business since 1989.    Our culturally-diverse staff of destination experts are not only specialists in travel but have intimate familiarity with Ireland, Scotland and England as tourist destinations.   From much-frequented regions to lesser-known gems off the beaten path, we understand varying appeals and are committed to planning itineraries that revolve around the needs of the client.   In addition to offering custom tours from scratch, all of our vacation packages are fully customizable.