image of 1960s-era Engelmann Spruce A-frame house Between the 1950s and the early 1970s, the A-frame house became the quintessential American vacation home type.   It was a do-it-yourself dream come true for the middle class, a symbol of success, a place for escape and a place to entertain, a swinging bachelor pad and a crucible of family togetherness. The postwar A-frame spread worldwide and was adopted for hot dog stands, liquor stores and churches before its trendiness faded just twenty years into the boom. Yet even today, the A-frame survives as a icon of relaxation and whimsical enjoyment of the "Good Life."