Yelp's Open Dataset

The Yelp dataset is a subset of Yelp's businesses, reviews, and user data that has been made publicly available for use for personal, educational, and academic purposes. Available as JSON files, use it to teach students about databases, to learn NLP, or for sample production data while you learn how to make mobile apps. This dataset contains 6,685,900 reviews, 192,609 businesses, 200,000 pictures in 10 metropolitan areas.

https://www.yelp.com/dataset