Michael Fröhlich's Jowett Javelin rotting car in his forest sculpture park in Neandertal Germany, September 11, 2016. An eccentric artist has collected fifty vintage cars and left them to rot in a forest – and now they're worth over $1 million.

A Rolls-Royce state car at the Royal Mews on March 21, 2011 in London, England. The car will transport Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall on the day of the wedding of Prince William and Kate Middleton. (Photo by Dominic Lipinski - WPA Pool/Getty Images)

A three wheeled “cabin” scooter manufactured by German aircraft engineers Messerschmitt & Co at factories in Regensburg. (Photo by Hans Enzwieser/BIPs/Getty Images). 1955

Widows, who have been abandoned by their families, light sparklers after offering prayers on the banks of the river Yamuna as part of Diwali celebrations organised by non-governmental organisation Sulabh International in Vrindavan, Uttar Pradesh October 21, 2014. (Photo by Ahmad Masood/Reuters)

David Pena poses for a photograph with his Lada 2101 built in 1979 on a street in Havana February 9, 2015. Getting parts from the United States is cheaper than in Cuba, where state-run stores sell them at four times the cost, said Pena, a mechanic and president of the Russian Car Club in Havana who drives a souped-up, sporty red 1972 Lada 2101 that he fixed himself. His own Lada has a Fiat engine and an extra Alfa Romeo carburetor. (Photo by Enrique De La Osa/Reuters)

Anne Owen and Abigail Owen-Pontez strap into “Elee”, a car made of cutlery from American Airlines during the Everyones Art Car Parade May 14, 2005 in Houston, Texas. The silverware was purchased by Houston artist Mark Bradford when the airline had to convert to plasticware after the September 11, 2001 attacks on the World Trade Center and Pentagon. The parade includes around 280 cars and is part of Art Car Weekend along with a street festival, parade, carnival, ball and other events. (Photo by Dave Einsel/Getty Images)

Heavy artillery on parade during a review of the Moscow Garrison troops during the May Day celebrations in Red Square, passing posters of Lenin and Stalin. (Photo by N. Sitnikov/Hulton Archive/Getty Images). 1st May 1947