BackDoor 43
BackDoor43, in Milan, italy, claims to be the worlds smallest bar.
The intimate bar can only be reserved for up to four guests at a time.
Can You Keep a Secret?

Credit: Antonio Diaz
This is one secret you dont need to keep.
Thisshop and barin Brisbane, Australia, lets you peruse through handpicked vintage items while enjoying a drink.
Push on the handle, and a door will open to let you in.

Courtesy of Adults Only
Once inside, verify to keep your eye out for a floral painting on the wall.
Jules Basement
This speakeasysits underneath of an unassuming taco spot in Mexico Citys Polaco neighborhood.
Look for a cooler door and make your way past a set of curtains to enter.

Courtesy of Backdoor43
Inside, you’ll find an edgy design that includes glass display tables with giant white skulls underneath.
The storefront that leads into this bar is actually an operating wine and floral store.
The bar is located within the old printing room ofThe Examiner, in the historic Hearst building.

Patrick Diokno/Courtesy of Bank Bar
The entrance to the bar is behind a fake bookcase that opens once you pull down on a book.
Spirito
This barin Rome is hidden behind an unassuming door at thePremiata Panineria al Pigneto sandwich shop.
The door leads to a casino-themed bar where drinks are served off of blackjack and roulette tables.

Jake Day
The two-seater bar used to be an operating speakeasy during the Prohibition era.
The bar is open to hotel guests or to members, though they also host public tasting events.
Tausend
Tausend, in Berlin, sits behind an unmarked door underneath of the Friedrichstrasse train station.

Courtesy of Foxglove
An iron door under the train underpass leads to the space lined with glass walls and 3D-art installations.
If youre celebrating a birthday, see to it to ask for the interrogation room.
Wodka Tonic
If youre a fan of whiskey,Wodka Tonicis the spot for you.

Addie Chinn
Nestled on a quiet lane in Tokyos Nishi-Azabu neighborhood, the bar offers more than 1,000 bottles of whiskey.
The Mayor of Scaredy Cat Town
ThisLondon spotis located inside ofThe Breakfast Clubcafe in Spitalfields.
A secret staircase leads to a bar with cocktails that vary each season.

Glen Claydon
Trillby & Chadwick
ThisProhibition-style barin Helsinki is styled after a 1920s London detective agency.
To find the bar, head past the ordering station and look for staircase.

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