Yes, Chinatown in New York City is worth visiting. It is one of the largest and oldest Chinese communities in the Western Hemisphere, offering a vibrant cultural experience. Visitors can explore authentic Chinese restaurants, markets, and shops, as well as cultural landmarks like the Mahayana Buddhist Temple. The area is known for its bustling atmosphere, delicious dim sum, and unique souvenirs. Additionally, Chinatown hosts various festivals throughout the year, making it a lively destination for both locals and tourists.

In "Chinatown," the major twist reveals that Evelyn Mulwray's daughter, who is presumed to be the daughter of her husband, is actually her sister. This shocking revelation comes from the fact that Evelyn's father, Noah Cross, is both the father and grandfather of the child, having raped Evelyn when she was a teenager. This dark family secret underscores the film's themes of corruption, abuse of power, and the cyclical nature of tragedy, culminating in a devastating ending where the protagonist, Jake Gittes, is left powerless to change the outcome.

Chinatown refers to a neighborhood in various U.S. cities that has a significant population of Chinese immigrants and their descendants. The most famous Chinatown is located in San Francisco, California, known for its vibrant culture, restaurants, and shops. Other notable Chinatowns exist in cities like New York, Los Angeles, and Chicago. In the context of the movie "Chinatown," directed by Roman Polanski, the term primarily evokes the Los Angeles Chinatown, which serves as a backdrop for the film's noir narrative, exploring themes of corruption and mystery.

"Chinatown," directed by Roman Polanski and released in 1974, is a work of fiction, but it draws inspiration from real historical events related to Los Angeles' water supply and land politics in the early 20th century. The film's plot, involving corrupt officials, private interests, and the manipulation of water resources, reflects actual historical conflicts, particularly the water wars between Los Angeles and the Owens Valley. While the characters and specific events are fictional, the film captures the essence of real issues in California's history.