Chris and Simon take a quantum leap as they ponder the mysteries of vanishing houses and time slips. Did two English ladies walk back in time at Versailles? Is there a street in Liverpool where visitors are transported to the 1950s? Did three Royal Navy cadets find themselves in a 14th century plague village? Vanishing hotels and diners, mysterious visions of medieval Paris, and inexplicable forests in Newfoundland: are faulty memories—or fairies—responsible?