ABOUT Vertigo Sky Lounge: The only year-round, indoor/outdoor rooftop lounge in Chicago. We feature live DJs nightly, an outdoor fire-pit for added ambiance, and in the colder Chicago winter months - the city's only OUTDOOR ROOFTOP ICE BAR. Named 2009's Conde Nast Traveler's Hot List, and ranked in the Top 3 of Hotel Bar of the Year Awards 2012 by the Nightclub Bar Awards, VSL is the ideal spot for one-of-a-kind special events or to turn it up for a night out with friends. You can start your night at VSL or better yet, make it your night.