Walking into Retropolis can be rather daunting initially. The long, slim aisle that you must march up to enter is packed to the brim with clothes, shoes, sunglasses, beaded handbags and crazy earrings from various decades, all thrown together in a kaleidoscope of brightly colored possibilities. But don't get bogged down there, because it's not until you move past the counter and up the stairs that you get to the really good stuff. The upstairs of Retropolis is massive but divided into booths. Each seller tends to have different specialties, so whether you're looking for Victorian-era loungewear, the perfect Led Zeppelin T-shirt from the actual days of yore, or a 1950s prom dress to wear to a symphony performance at Jones Hall, there's a section that is likely to offer something along the lines of what you're looking for. If you don't find it on one trip, just keep trying. The selection is always changing, and with time and patience, there are countless vintage goodies to be discovered and procured.