Tracy Quan is the author of the novel "Diary of a Manhattan Call Girl" and a contributor to "NYC Sex: How New York City Transformed Sex in America." Working at a peep show isn’t as easy as it looks.

Turf, a contortionist dancer who took his act from the streets of San Francisco to Las Vegas and, finally, the stage of NJPAC for "America's Got Talent," delivered a show-stopping performance Tuesday ...

Balancing on the palms of his hands, Odgerel Gombo folds his spine and bends his knees so that his toes rest comfortably on his shoulders. The contortionist from Ulaanbaatar, Mongolia, traveled and ...