in sin city, where the owner spent millions to build a monument to high fashion and bring the italian rivieradesert. >> it's divine, exquisite, perfect. [ clicks tongue ] >> hitch a ride with the guy whose redesign of this incredibly rare racecar might make it the most valuable porsche in the world. >> it's such a privilege for me to be able to work on one the most significant porsches in porsche's history. >> then cruise on over to a members' only island that only the ultra rich and super famous can afford. >> membership would run you $250,000.