Yet another first for New Haven: not only did the city introduce pizza to America, it is also home of the hamburger, introduced to the world by this diner in 1900. If you drive or walk by too quickly, you might miss this small, unpretentious, cottage-like building tucked away along the bustling street. But, on the inside, New Haveners enjoy "a bomb" of a burger, so good that ketchup and mustard are no-no's. The burgers are grilled vertically for the best taste possible, and if you ask nicely, you might get a slice of cheese. Maybe. This is a classic New Haven landmark not to be missed!
• Hours: Tu-W 11a-4p; Th-Sa noon-2a