Created by artist Michael Wallace and a team of around 300 volunteers and school students, the artificial fossils of Calabacillas Arroyo is a large-scale art installation in Albuquerque. Inspired by the way that buried fossils serve as a timeline of natural history, it serves as an interpretive timeline of New Mexican history from the Precambrian era through the unknown tomorrow. The arroyo itself is an important flood-control structure that empties into the Rio Grande as well as a major public open space in the city. The addition of the artwork…