High heels and pink pitchforks adorn Chatsworth house lawns

Giant objects in the gardens of one of Britain’s grandest houses form part of an exhibition by artist Michael Craig-Martin

Paris museum offers Picasso a bigger canvas as it prepares for reopening

The €52m transformation of the 17th-century Hôtel Salé has been undermined by delays and controversy over the cost

Yves Saint Laurent: the battle for his life story

Six years after he died, the ‘truth’ over Yves Saint Laurent’s hedonistic and tortured life is being fought over by two new films

Street-legal Batmobile goes on sale for $1m – and even has a CD player

A replica of the ‘Tumbler’ Batmobile used in the Christian Bale-starring Batman movies costs $1m, but is legal to drive on ordinary roads

Video: The making of the Dark Knight’s Tumbler

Miami’s new vice – an addiction to star architects

The Florida city’s main asset was once a TV police series. Now, with an influx of money and art, it is America’s fastest-changing city. Can it do better than build a series of trophy buildings?