Vessel is a 16-story, 150-foot-tall (46 m) structure of connected staircases in the 5-acre (2.0 ha) Hudson Yards Public Square of Hudson Yards in Manhattan, New York City. Designed by Thomas Heatherwick, the elaborate honeycomb-like structure consists of 154 flights of stairs, 2,500 steps, and 80 landings for visitors to climb. Funded by Hudson Yards developer Related Companies, its final cost was estimated at $200 million.