Ray Harryhausen

Raquel Welch, "One Million Years, B.C." (1966)

The Swimsuit Story: Your guess is as good as ours. As best we can tell, caveman Turak is banished from his violent warrior tribe and is rescued from a certain death by Loana (Welch), a beautiful cavewoman from a more peaceable ... moreclan. With her '60s hairdo and cat eye-makeup, this thoroughly modern prehistoric knockout can face down stop-motion dinos (courtesy of the legendary Ray Harryhausen) while wearing nothing but an animal skin bikini with flirty fur accents. She's also quite the conversationalist, purring, "Me Loana, You Turak," amid the grunts and groans.

Two-Piece Trivia: Raquel cemented her status as a pinup before the movie was even released thanks to the film's poster, which featured her striking a provocative, primitive pose atop a volcano in the Canary Islands in her revealing pelted get-up. Not that she has fond memories of the now legendary poster, which later became a crucial plot point in "The Shawshank Redemption." "The shoot was so uncomfortable," recalled Welch. "We had to get up at some ungodly hour and drive out into the middle of nowhere. I remember box lunches, and that it was snowing. I got terribly sick..."