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It might take two to tango but you don't need a partner to start. Any night of the week, a solo dancer can show up at one of many tango events around the city and dance the night away. Many people come solo, and etiquette dictates that men ask different women to dance throughout the night.

"For me, it's a creative expression. It's connecting with another individual and improvising a dance," says dancer Margaret Chu.

Tango is booming around the city. Any night of the week there are dozens of "milongas," or social dance events, to attend.

At Stepping Out Studios in Chelsea, arguably the central neighborhood of the tango scene, the popularity of tango class is soaring.

"It's back to what our parents did - they partner danced," says Stepping Out Studios co-director Talia Castro-Pozo. "So our generation, we go to the clubs to just have a good time, but that gets boring. You want to partner dance."

"Tango is a subtle, sensual dance. But that really suits the character of New York, which also has a sophisticated, dark side," says dance instructor Santiago Steele. "Like people wear black in New York and black is the color of tango."

Tango started in Argentina in the 1800s and later gained popularity around the world. Today, it seems everyone's doing the tango.

"From a dancer's point of view, you like the challenge. And it can be challenging until you're 80 years old," says dancer Nancy Murton.

In terms of nightlife, dancing tango is extremely affordable. You can go out on a Saturday night, spend $15 and dance the night away at a milonga or practica.

People love the tango for many reasons - the music, the moves, and some even say the shoes.

"Because we get to wear these beautiful stiletto shoes in tango," says dancer Sarah LaRocca.

Miles Tangos loves the dance so much that he changed his name to reflect his dancing passion.

"The embrace itself, the sensuality of the dance itself, all these things combine when you put them together for a few short moments we have, what's better known as 'tango bliss,'" says Tangos.