Alamo (the Astor Place Cube) by Tony Rosenthal

Alamo is a large black cube sculpture by Tony Rosenthal installed at Astor Place in 1967 as a public, interactive artwork. The cube sits on a pivot and has been turned by visitors since its installation, becoming an enduring landmark and meeting point in the East Village. The work is frequently cited as an example of interactive, site-specific public sculpture in New York City.