We don't go for entertainment: Denise Scott Brown and Robert Venturi on Las Vegas. -- PAST PROJECTIONS: Paradise lost: in search of utopia -- Pre-fabricated dreams: architecture for pleasure -- Ideal cities: their rise and fall in the 20th century -- Theming a world: theory and practice of architainment. -- TODAY'S FUN LOCATIONS: Celebration and Arcosanti: urban laboratories -- Coney Island and the Oktoberfest: amusement archetypes -- Disney World: the power of perfection -- Las Vegas: the first mediafied dream world -- Southdale Mall and Mall of America: a shopping universe -- Tropical Islands and the Palm: last resorts. -- THE FUTURE OF DIVERSION: Dream worlds reloaded: theme-park cities and game worlds -- E=mc2: entertainment = masscompatibility x coolness.