In a matter speaking, Michael Heizer is the ultimate American
artist. He likes to go big, and he doesn't care how much it
costs. Heizer's latest installation, his first major work in
nearly thirty years, involves suspending a giant boulder atop a
456-foot-long, steel reinforced trough carved into the earth in
front of the Los Angeles County Museum of Art (LACMA). It's
called Levitated Mass. The trickiest part isn't digging the
trench or building the infrastructure, however. It's moving the
rock, which is the size of a two-story building and weighs over
a million pounds with its transport system. "At 340 tons, the
boulder is one of the largest monoliths moved since ancient
times," LACMA declares on their website  Modern day Los Angeles
is no Giza. In the absence of thousands of slaves to roll the
stone across the desert to the site of Heizer's monument are
oodles of obstacles, from power lines to overpasses, and the
logistical challenge of the century. So far, the boulder has
been sitting in a quarry for six y