An interactive exhibit featuring life-size models of Leonardo da Vinci's 500-year-old inventions and machines is opening in New York City's Times Square.

Although best known for painting the masterpiece "Mona Lisa," da Vinci also designed a fantastical array of futuristic flying machines, robots, weapons and mechanical devices.

Highlights of the exhibit opening Friday include the "Great Kite" flying machine, a working prototype of his "Self-Propelled Cart, and physical models of his mechanical bat and lion...