Sfida nell'alta Sierra

20th Century Fox Ranch, Malibu Creek State Park - 1925 Las Virgenes Road, Calabasas, California, USA

Metro-Goldwyn-Mayer Studios - 10202 W. Washington Blvd., Culver City, California, USA

Inyo National Forest, California, USA

Bronson Canyon, Griffith Park - 4730 Crystal Springs Drive, Los Angeles, California, USA

Mammoth Lakes, California, USA

Merrimac, California, USA