"Secrets of the Royal Train" uncovers the inside story of the most luxurious and exclusive locomotive in the history of the British Isles, from its lavish past as the "royal express of excess" to its role today as the royal family's mobile home away from home. For over 150 years, from Queen Victoria to Queen Elizabeth II, it has been the monarchy's favorite way to travel. But the private world behind its veiled carriages remained a mystery to all but a privileged few — until now.This episode looks back at the Royal Train's history, including a glimpse inside Queen Victoria's luxurious railway cars commissioned in 1869. Resplendent with sumptuous satins, silks, and 23-karat gold paint, Victoria's train was outfitted with the latest modern conveniences, including the first-ever onboard toilet and electric lights.The latest incarnation of the locomotive was presented to Queen Elizabeth for her Silver Jubilee in 1977. The Royal Train team offers unique insights into the tastes of the Queen, Prince Charles, and the few select people allowed on board.Climb aboard for an inside look at the history of the "palace on wheels," from its lavish past as the royal "express of excess" to her Majesty Queen Elizabeth's mobile home away from home.