Not for sale in Estonia! A founding member of Brazil's Neo-Concrete movement, Lygia Pape (1927-2004) made art that favored the primacy of the viewer's sensorial experience. Pape's geometric abstractions explore rich territory through sculpture, dra...

Not for sale in Estonia! Featuring 31,035 slides shown simultaneously on multiple projectors, Dieter Roth's (1930-1998) "Reykjavik Slides" was inspired by the distinctive character of Icelandic architecture and documents every building in the capit...

Not for sale in Estonia! Hauser & Wirth opened its first US gallery with a presentation of Allan Kaprow's (1927-2006) seminal "Environment Yard": a mountain of black rubber auto tires and tarpaper-wrapped forms through which visitors jumped and cra...

Not for sale in Estonia! Over the course of his four-decade career, Mike Kelley (1954-2012) critically questioned aesthetic conventions and examined all forms of culture. The approximately 100 "Memory Ware" and associated works were made during the...

Not for sale in Estonia! "Sensitive Geometries" explores the legacy of artistic movements at one of the most pivotal moments in Brazilian history. Designed as a facsimile of the 1959 exhibition catalog for the first Neo-Concrete exhibition at the M...