After a rocky journey, a 340-ton boulder will finally get an exhibition at the Los Angeles County Museum of Art (LACMA). 

California sculptor Michael Heizer is behind this project, which only took 11 days to get to the LACMA from a rock quarry in Riverside, Calif. in March, but was caught in bureaucratic red tape since last fall.

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Now it's official: the opening date of the installation, "Levitated Mass," has been announced for Sunday, June 24.

The 21-foot-high granite boulder is "positioned atop a 456-foot slit cut in the ground behind the museum," having been envisioned by its creator a whopping 43 years ago. 

The many people that were inconvenienced by the loud journey the rock took to get to its final destination via massive street closures and traffic jams will be treated to free museum admittance between June 24 and July 1 (with a proof of residency).

According to the LACMA, the exhibit "speaks to the expanse of art history, from ancient traditions of creating artworks from megalithic stone, to modern forms of abstract geometries and cutting-edge feats of engineering."