You Must Remember This: Charles Manson's Hollywood - Karina Longworth's podcast on the hidden history of Hollywood (previously, previously) takes an an in depth look at the darker side of the 60s. [more inside]
Century 21 Calling - Dreamily retro footage of the 1962 Seattle World's Fair, AKA the Century 21 Exposition, including a visit to the Bell Systems pavilion. A slice of space age science propaganda, the fair gave Seattle some of its most enduring landmarks in the form of the Space Needle and the Alweg Monorail, and, of course, brought Elvis to town.
Kerry Callen imagines What if DC published Marvel characters in the 1960's?, then follows up with What if DC published 1970's Marvel characters in the 1960's?. Bonus silliness: Galactus' Helmet Just Gets Happier and Happier!
The most merciful thing in the world, I think, is the inability of the human mind to turn on, tune in and drop out
What if Lovecraft had Lived into the 1960′s? - recording from a 1978 WorldCon panel featuring Fritz Leiber, and S.T. Joshi. Bonus files: A reading by Donald R. Burleson of his story The Last Supper, and a reading of Fungi from Yuggoth. (via)