Kevork Djansezian / Getty Images

Telena Vo poses with the new art exhibit ''Levitated Mass,'' a permanent exhibit at the Los Angeles County Museum of Art in California on Tuesday, June 26, 2012 in Los Angeles, Calif.

Kevork Djansezian / Getty Images

A visitor poses with the new art exhibit ''Levitated Mass,'' on Tuesday.

AP reports: The rock was the star as the Los Angeles County Museum of Art pulled the covers off artist Michael Heizer's latest creation — a 340-ton boulder positioned to appear as though it's floating in midair.

Its centerpiece is the two-story-tall chunk of granite that was hauled 105 miles from a Riverside rock quarry earlier this year. Since then, the rock has been carefully positioned above a 465-foot-long trench that museum visitors can stroll. Continue reading the full story.

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Kevork Djansezian / Getty Images

Telena Vo poses with the new art exhibit ''Levitated Mass,'' on Tuesday.

Jonathan Alcorn / Reuters

A crowd of people attends the opening of 'Levitated Mass', artist Michael Heizer's exhibit which features a 340-ton megalith rock now on permanent display at the Los Angeles County Museum of Art in California, June 24. The massive granite rock made headlines in March when it was slowly carted along a winding, 105-mile journey from Riverside County to the Los Angeles County Museum of Art.

Related PhotoBlog: 340-ton rock headed straight for Los Angeles by very slow-moving trailer
Related PhotoBlog: Workers prepare to move 340-ton rock to L.A. County Museum of Art