So what are you waiting for? Advertising, best things to do in the summer 1, photograph: Loren Wohl, clubs, warm up the dance floor at MoMA PS1. Patricks Cathedral icon-location-pin Midtown East 28 Photograph: Laura Gallant Restaurants, French Alwyn Court icon-location-pin Midtown West Read more Advertising 29 Museums The Guggenheim Read more 30 Photograph: Shutterstock Williamsburgh Savings Bank Tower Advertising 31 Photograph: Courtesy CC/ Wikimedia/tm Cobrin Building 32 Photograph: Courtesy CC/Flickr/Reading Tom. Leon is a walking encyclopedia and would happily continue for 3 more hours if you were so inclined. Starting in the Gothic Quarter you will take in sights such as Barcelona Cathedral, The Castle, and Las Ramblas to name but a few. Take a seat at the L-shaped marble counter, or watch the creamy treats being made through the production-room window. Leon is a wealth of knowledge and would be a shame to miss it while in Barcelona!