Unique Boutique. With a 4.5 star rating, Unique Boutique cannot be beat. With its subtle exterior, the boutique has been named one of the top thrift shops on the Upper West Side. Not only do they sell vintage clothing items, they offer art work, and a little pottery if it happens to meet your liking. Although, the boutique is small, it has an abundance of great steals. From dining room sets to vintage purses, Unique Boutique is somewhat of a one stop shop. If you’re out for a day of exploring the city, Unique Boutique should be on your to-do list.