There is something profoundly American about the 1970s muscle car. The rash union of a basic frame and copious power came together for the purpose of turning heads and posting staggering straight line speed. Refined? No. Capable? Yes. Obnoxious? God yes. Wide-bodied Barracudas and monstrous Mustangs defined a generation of automobiles and this country.Here are 25 pics of '70s muscle cars and national treasures. Chevelle SSBackstreet performance.Flaming CamaroA Z28 deserves to be on fire.Racing FordColors and helmet.SombreroI don't think that fits in the Mustang.BurnoutsNothing shreds rubber like a Dodge.Grumpy's ToyThat's one way to put it.Thick TiresCorvette with stripes.Drifting DodgeChallenge those rear tires.Beach DayFord by the water.On the LogsTotally not busted.For SaleGreen muscle.War StripesNavy blue Dodge.Challenger R/TFun in the warehouse lot.St. Thomas DragwayGreen monster.Vintage 'VetteFlaming speed.Black and YellowYou know what it is.Driveway WhaleWide bodied.Rev it up!Dirt Roads? No ProblemActually, this thing definitely prefers a paved quarter mile.Checking Under the HoodWhat's the displacement?Front Seats OnlyBottom floor only.ParkedBut still turning heads.Dodge DaytonaKing stuff.