Swiss artist Milo Moire caused a stir by walking naked around the LWL Museum for Art and Culture in Munster, Germany, while carrying a baby. It was the Naked Life exhibition.
Elizabeth Semmelhack, curator for the Bata Shoe Museum, traces the high heel to male horse-riding warriors in the Middle East who used high heels for functionality, because they help hold the rider's foot in stirrups. [wikipedia]