5. GO ON A POSH PICNIC. Doesn’t a green-bean, radish and quinoa slaw with cedar-ginger vinaigrette sound like the perfect summer salad? Then pick up a custom-packed picnic basket (complete with loaner linens and cutlery) from Calgary’s River Café in Prince’s Island Park (both newly restored since last summer’s flood). 6. STOP FOR A TRENDY SUMMER TREAT. Craving a Slurpee that’s a notch above the convenience-store variety? Gourmet slush trucks are all the rage inWilliamsburg, Brooklyn. Closer to home, here are three food trucks serving up frozen summer delights: Johnny’sPops (artisanPopsicles) inVancouver, HyperCones Hawaiian Shaved Ice in Halifax and Dolce & Banana (for Italian sodas) in Edmonton.