I only just learned today that one of the WalMart founders kids is a car collector, and has one of the most impressive collections

Rob Walton’s car collection

Ferrari 250GT SWB 1961
Ferrari 250 Testa Rossa 1957
Ferrari 250 GTO 64, LHD,#5575GT 1964
Ferrari 250 GTO, LHD #3607GT 1962
Ferrari 250 GT SWB Berlinetta, LHD #2443GT 1961
Ferrari 275 GTB, Competizione Speciale, longnose #07185 1965
Ferrari 250 GT LWB Berlinetta Zagato TdF, all alloy, LHD #0537GT 1956
Ferrari 250 TR Spider Scaglietti, LHD #0714TR 1957
Ferrari 250 LM, Drogo long nose, LHD #5903 1964
Ferrari FXX
Ferrari “Zagato”550 GTZ Barchetta 0537GT
Ferrari 599 GTB 1/1 “Golden Ferrari” by Pininfarina

Porsche 935 1978
Porsche 911 GT3
Porsche K4 “Lowenbrau” 1978
Porsche 935.1978
Porsche 935 1978
Porsche 911S 1967

Maserati T61 Birdcage
Maserati 450S 1957

Shelby Daytona Cobra Coupe
Corvette Grand Sport Roadster 1963
Scarab-Chevrolet 1958 Scarab MKI
Jaguar C-Type – Chassis: XKC 053

That's what you can get when you're worth around 45 billion, and you're too old to ever spend it all

He is ranked at #18 on the 2013 Forbes list of world billionaires

https://www.forbes.com/profile/rob-walton/#53cd0eb2270b
https://en.wikipedia.org/wiki/S._Robson_Walton
http://supercars.agent4stars.com/power-cars/rob-waltons-car-collection-usa/