Overview: Woking to Walton-on-Thames Michael's journey through the home counties continues at Woking, Surrey, where Michael uncovers the story of Britain's first purpose-built crematorium, a response to overcrowded cemeteries and London's ever-expanding population. A trip to world-famous Wisley Gardens sheds light on the work of the Royal Horticultural Society, as Michael gets green fingered. Swapping trees and tranquillity for the roar of a motor car, at Weybridge Michael visits Brooklands the birthplace of motor racing and gets behind the wheel of a vintage Bentley racing car. As this journey leg draws to a close, Portillo goes camping at Walton-on-Thames and learns about the unlikely origins of a leisure pursuit that is going strong today.