Naked Yoga: You can try this out at Naked in Motion in Midtown, right next to Penn Station — in case you’re so traumatized after that you need to hop on the next train to New Jersey and never look back.
Surfing in Place: This can be found at Surfset New York City in the East Village. With surfboards drilled into the
Dance Workout: Is pretty much exactly like it sounds. Dancing, twerking and girl empowerment all found under one roof at the The Boss Chick Dance Workout in Chelsea.

http://www.bosschickdanceworkout.com
Pole Dancing Workout Class: Grab your roommates and get ready to laugh at each other at Foxy Fitness and Pole Training Studios in Midtown.
Gyrotonic Pilates: Kinespirit Riverside Gyrotonic & Pilates Studio on the Upper West Side uses a unique weight- and pulley-based apparatus to take your pilates to the next level.