Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

Life-size animals and furniture made entirely from cardboard fill this odd paper-themed restaurant.

The last standing example of an ancient district's teatime tradition.

This bright yellow building is packed with sweet treats from all around the world, from chocolate-covered crickets to whoopie pies.

Hidden on a cobblestone street in Glasgow, a Czech Cajovna-inspired teahouse serves as a hangout for Bohemians.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

This tiny shop has been serving traditional tamales for more than 200 years.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

Originally a meeting place for foreign correspondents and war reporters, the FCC remains an atmospheric spot for sunset drinks in Phnom Penh.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

This cafe offers a curated collection of treats and tipples made by monks and nuns.

This edible park is open to any and all foragers.

Transport yourself to the 1980s era of video games at this themed restaurant and bar.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

Ask nicely, and stewards of a centuries-old charitable tradition will give you free bread and beer.

This sprawling market is a one-stop shop for traditional Kazakh foods, from mare’s milk to sheep’s head.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

Drive past the giant fruit sculptures and up to the window for a menu of fruity treats.

Hidden within a spa in a Texas strip mall is a restaurant specializing in Eastern European foods.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

Drink and dine in a coral cave that's at least 120,000 years old.

This Vietnamese bar doubles as a multistory labyrinth.

The oldest continuously-operating Chinese restaurant in the United States has been in business since 1911.

This old-fashioned candy shop, ice cream parlor, and diner served as the setting for one of TV's most controversial series finales.