Although not quite a subject I would usually be interested in, the world of fashion and design is an important sub-section of popular culture. Much of what people remember about a certain decade like the 60's or 70's - indeed, often the first thing that comes to mind - are the clothes, the furniture, the art styles that define a specific era of people's lives. Here are some articles on those topics.

the Afro
Aluminum Christmas trees
the Bikini
Chelsea boots
the Hippie look
Lava Lamps
Leg Warmers
Mini Skirts
Mod
Paper clothes
Sillisculpts
Space Age Fashion
Suzy Parker
Polyester Shirts
Maggie Tabberer
T-shirts
Twiggy
Andy Warhol