Ninja - New York CityThere are few places where you can enjoy a delicious meal while constantly fearing for your life. This unique restaurants is designed to look like an ancient Japanese feudal village. The staff is trained in the ninja arts and be warned: they will sneak up on you in complete silence.
Opaque - San FranciscoSome people say that food tastes better in the dark. With your sense of sight diminished, your sense of taste really comes alive. You can test this hypothesis at Opaque. The servers are blind or visually impaired individuals who have been trained to serve food in a pitch black environment.
Hotel De Glace (Ice Hotel), Quebec City, CanadaBe sure to bring some mittens and earmuffs if you plan to dine at the Ice Hotel. It's only open from January to Match and it changes in appearance every year because it's made almost entirely of ice (only the bathrooms are heated and they are located in a separate structure). Food is served on dinnerware made of ice. We recommend ordering the cold cuts.
Modern Toilet - TaipeiAll the seats in Modern Toilet are real toilets and the food is served on mini toilets. And the signature dessert? Soft-serve chocolate ice cream shaped like you-know-what, of course.
Ithaa Undersea - The Republic of the MaldivesSituated 16 feet below sea level, Ithaa Undersea is the world's first all-glass undersea restaurant. if offers incredible views of reef and marine life and the food is pretty good, too.
Izakaya Kayabuki - Tochigi, JapanDrink beer. Be merry. Get served by monkeys. Hahah! Yes, you read that right. At Izakaya Kayabuki, monkeys dress up like human waiters and serve beer to the patrons.
The Clinic - SingaporeHave you ever dreamed of dining on a surgical table, surrounded by medical equipment and with waiters dressed as nurses and doctors serving you? Of course you haven't, but you can give it a try anyhow at The Clinic. Order one of the unique cocktails - some are served in syringes - for the full effect.
Nyotaimori - JapanNyotaimori literally means "female body plate" and there are a number of restaurants in Japan that allow you to eat sushi off the body of a nearly nude woman. Some even offer a female body made of dough and sauce that patrons can cut into with scalpel to reveal edible organs. Pretty creepy.
Lunch in the sky - BelgiumAdd more fun and eat a meal at 150 feet above the floor, if you are not afraid of height. Your salad and meals will be served on sky-structure chairs.
Mars (theme) Restaurant - New YorkOf course you want to know how does it look dining on the Mars? All you need just go in Times Square. You will meet Martians species they will lead you to the table of red planet and serve some specific seafood with a typical menu.
Devil Island Prison Restaurant - ChinaHO hO hA Ha ha! The owner of this restaurant reportedly wants to scare hungry folks away from a life of crime by presenting the visitors how tough and rough prison life can be. The food will be served in the area surrounded by rusting prison bars.
Source : Manolith.com/the-worlds-weirdest-and-most-disgusting-theme-restaurants-infographic