Celebrate National Cheeseburger Day on September 18 at Delray Beach hotspot, City Oyster. The popular seafood emporium’s succulent grilled 10 oz. Black Angus Burger ($16/lunch; $17/dinner) comes topped with lettuce, tomato, and onion and presented with hand-cut French fries. For more information, call 561-272-0220 or visit cityoysterdelray.com.