In the city that never sleeps, it is expected to have numerous hidden gems tucked away in its alleys or second exit doors.

Whether it's in a beautiful rooftop, through a closet door, or an unassuming dark alley, prepare to be blown away by these hidden bars that offer the best beers and cocktails. The Prohibition era might be over, but these gems (that don't bootleg beers!) still invoke that sense of nostalgia.

These off the grid bars are just too amazing to be kept a secret.

PDT

Where to find it: New York, New York

Although now popular, it is still one of the best "secret bars" in the city. Please Don't Tell has been giving off a raw and edgy vibe to its customer since it opened. In a location where every single bar's goal is to stand out with its gimmicks and overstated signs, this bar hides away near a Crif Dogs hot dog shop.

After adjusting from the darkness, you'll see beautiful brick walls partnered by wood-paneled ceilings, hunting trophies, and wooden floors.

Created by Mixology king Jim Meehan, the bar has also had pop-ups in Barcelona, Hong Kong, and other cities.

Attaboy

Where to find it: Lower East Side

This bar is situated in what used to be the home of the well-loved Milk & Honey, which closed on New Year's Eve 2012. M&H bar vets Sam Ross and Michael McIlroy saved the space.

This unique find does not disappoint. With a one-of-a-kind creative bar that has a menu-less approach, guests will be at the mercy of its maestro bartenders when it comes to picking their poison for the night.

Le Boudoir

Where to find it: Brooklyn

With an interior that screams "Marie Antoinette's chambers," this bar in Brooklyn is complete with cristal d'arques glassware, classic paintings, and a bronze bust of Antoinette that serves beer on tap. Le Boudoir will make you wish you were here with a date.

There is also live music on Mondays.

The Back Room

Where to find it: 102 Norfolk Street, Lower East Side

Known as one of New York's first speakeasy bars, The Back Room has been around since the Prohibition period.

After going through a sketchy back alley, you'll find yourself in a small gate to the bar, where you'll be rewarded with cocktails served in coffee mugs and beer in paper bags. This bar has kept up the old-school feel. If you feel a little more adventurous, head over to the secret room hidden behind the bar's bookcase.

Sunshine Laundromat

Where to find it: Greenpoint

Unlike most speakeasy bar, Sunshine Laundromat does not have a mixology. However, if you're in the mood for good beer and wine, this is the perfect place for you.

Packed with its back rooms arcade games and AC/DC Back in Black machine, guests will surely have the time of their lives here, as long as they bring quarters.