Montreal Olympic Stadium and surrounding structures, are but a few notable examples of the city's 20th-century architecture. Pavilions designed for the 1967 International and Universal Exposition, popularly known as Expo 67, featured a wide range of architectural designs. Though most pavilions were temporary structures, several have become landmarks, including Buckminster Fuller's geodesic dome U.S. Pavilion, now the Montreal Biosphere, and Moshe Safdie's striking Habitat 67 apartment complex. The Montreal Metro has public artwork by some of the biggest names in Quebec culture. In 2006 Montreal was named a UNESCO City of Design, only one of three design capitals of the world
The Joker (S&S Worldwide) The Joker (S&S Worldwide) The Joker is a roller coaster located at Six Flags Great Adventure, Six Flags Great America, Six Flags New England, and Six Flags Over Texas. Built by S&S Worldwide, an American ride manufacturer, the coaster is one of their "Free Spin" models. Since 2016, Six Flags has installed The Joker in four of their parks. Riders zig zag along the track while flipping head over heels up to six times throughout the ride in a somewhat uncontrolled manner. Six Flags started installing more after the success of that opened in 2015 at Six Flags Fiesta Texas.