You ever seen a ghost? No
But you have heard of them¹

I'm going to go out on a limb. I'm taking a little ride on a caravan, stopping
in places I'm not exactly supposed to be. I know it is mischievous ('limb:
British, colloq. Naughty child').² A caravan is a nomadic thing. It is for
people with no fixed home. It is for wanderers - for strangers that nobody
sees. But it is also for people that just want to have fun.

It took me two trips to Münster to see the caravan. I didn't see it in 1997. Now, ten years later, I have. There it was, set against a bank of trees down a secluded road near an old cemetery in the Kinderhaus district - a medieval leper colony - about 4 kilometres north of the city centre. A winding street led to the old hospital, which since 1986 has been a leprosy museum. It was deserted, save for the steady buzz of children at play somewhere out of sight. The place was difficult to find, though I have to admit I cheated: a curatorial assistant who knew the way drove me there. I reached most of the other eighteen places by bike, the preferred mode of local transport.³ The caravan serves as Michael Asher's contribution to each and every one of the four Skulptur Projekte shows.⁴ Varying lengths of exhibition and physical changes to the cityscape have limited its stops now to ten. In 1977 - the first of its four summer treks - the