A new monorail service in Houston, Texas, ready for its inaugural service. (Photo by Evans/Three Lions/Getty Images). Circa 1950

A picture composed by the French street artist JR is plastered to a wall under a highway as part of a community project called “Through A Mother's Eyes”, which involves members of the economically distressed neighborhood of Hunts Point in images taken by and of themselves on June 30, 2011 in New York City. JR, a recent TED prize winner, has staged similar projects around the world that look to transform high crime and impoverished neighborhoods into spaces for street art combined with the celebration of community. (Photo by Spencer Platt/Getty Images)

Alain Robert of France, who is known as "Spiderman", climbs the Habana Libre hotel in Havana February 4, 2013. Robert, who scales buildings all over the world without safety equipment, successfully climbed the hotel which is 126 metres (413 feet) high. (Photo by Stringer/Reuters)

Old Heidelberg, Dog with Pipe, 1905. (Photo by Detroit Publishing Company)

A man walks beside a “Wrinkles Of The City” creation near the Berlin cathedral in Berlin April 19, 2013. (Photo by Fabrizio Bensch/Reuters)

Kenza Drider, 32, announces her candidacy for France's 2012 Presidential election on September 22, 2011 in Meaux, France. Drider is the first French Muslim woman to wear a niqab and run for President despite France's nationwide ban on the face veil, which today saw 32-year-old mother of three Hind Ahmas and Najate Nait Ali both being fined after being caught wearing the niqab in public in the Parsisan district of Meaux back in May when the law first came into force. (Photo by Franck Prevel/Getty Images)

Actress Athene Seyler attempts to contort her body, in a scene from the show, “Skin Deep”. (Photo by Sasha/Getty Images). Circa 1928