Most sushi fans have never tried this rare rhizome.

Teething babies and royalty were fans of this British city's signature sherry.

Make like Jane Austen and sip from the fountain in this famed Pump Room.

The first American doughnut chain used spuds.

Reach peak Americana with these deep-fried balls of Coca-Cola.

This traditional Southern pairing captures sweet and salty in a single bottle.

This beef patty oozes cheese from within.

Now largely forgotten, the pairing was once as popular as PB&J.

This Canadian favorite is relatively unknown elsewhere.

This retro sandwich filling was once a convenient, comforting funeral food.

In the 19th century, Chinese immigrants developed an early New England fusion sandwich that is divisive as it is salty.

This century-old New Orleans treat is still sold from a mule-drawn cart.

This classic San Franciscan ice cream sandwich is it, isn't it?

The prosperous Southern California date industry produces delicious milkshakes.

A New Year's Eve tradition of scarfing down 12 grapes for good luck.

A New England tradition of steaming bread in coffee tins gave rise to this niche snack.

In the 1970s, housewives stabbed their cakes and filled the holes with Jell-O.

The Japanese soda still comes in a marble-stoppered bottle from the 19th century.

Like the famed composer himself, this Mozart-homage bonbon originated in Salzburg, Austria.

To do Christmas right, Italians turn to heavenly chestnuts.

In the 19th century, tin miners ate these handheld pies and left their crusts to appease mischievous, mine-dwelling spirits.

This dark, sweet refresher was born at a now-defunct amusement park on the shores of Lake Erie.

Pressed from frozen grapes, this prized wine was a sweet accident.

Baked in traditional adobe hornos, this bread is a staple of the American Southwest's Native Pueblo people.