This episode explores New York's Mark Hotel and its £55,000-a-night penthouse suite, where Meghan Markle held her baby shower. Next up in the Algarve, Portugal, is the £180,000-a-week Vila Azzurine, where billionaires retreat to when they are looking for some sun and sea, before embarking on a £16,000-a-night ultra-lux safari adventure at the Royal Malewane in South Africa's Kruger National Park.