Learn more Can an artificial tree ever really rival the real deal? Not really, but Balsam Hill makes the closest I've seen. The trees can cost well over $1,000 but come bursting with tons of ...
In 1971, he built Broken Circle/Spiral Hill: a rounded jetty and canal on the edge of a sand quarry in the Netherlands. In 1973, he started Amarillo Ramp, a sloping semi-circle of raised earth in ...