It was 1968 in San Francisco. One year after the Grateful Dead joined Jimi Hendrix, the Mamas and the Papas, and Jefferson Airplane at the Monterey Pop Festival. A year after 100,000 hippies descended ...
When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images After dropping out of fashion in the 1990s, the humble waterbed seemed to ...