From the street, it can be hard to tell just what or even where Spice Station is. Located in Silver Lake’s Sunset Junction, the shop is hidden from the general hustle and bustle, and the curious shopper, perhaps lured by a chalkboard listing “Today’s Spice Prices,” must amble down a walkway, past a fountain, and through a small courtyard. But inside awaits a world of herbs, spices, chiles, salts, and teas…