Long term parking, art by Arman

 on permanent display at the Château de Montcel in Jouy-en-Josas, France. Completed in 1982, the sculpture is an 18-meter (60-ft.) high accumulation of 60 automobiles embedded in over 18,000 kg (40,000 lbs.) of concrete.  http://en.wikipedia.org/wiki/Arman

Found on http://www.retrovisiones.com/2015/02/long-term-parking/