You may not expect one of the most concrete things on earth, Hoover Dam, to inspire anything as evanescent as a performance art piece. But in The Precession, Goat Island Performance Group veterans ...

Soar over the Hoover Dam, a colossal Art Deco concrete arch-gravity masterpiece that stands as a testament to American ingenuity and the taming of the Colorado River. The drone captures the dizzying ...

The middle value of all realized prices for an artist's works sold at auction during a given period, providing a clearer representation of typical market values by minimizing the influence of extreme ...