Here are some hidden gems in New York:

1.     City Hall Station: This abandoned subway station is a beautiful example of early 20th-century design. While it's no longer in use for regular transit, you can catch glimpses of it if you take the 6 train to its last stop.

2.     The Elevated Acre: Tucked away in the Financial District, this elevated park provides a peaceful oasis with gardens, seating areas, and great views of the surrounding skyscrapers.

3.     The Cloisters: Located in Fort Tryon Park, The Cloisters is a branch of the Metropolitan Museum of Art dedicated to medieval European art. The building and its gardens offer a serene escape from the city's hustle and bustle.

4.     Green-Wood Cemetery: This historic cemetery in Brooklyn is not only a final resting place for many notable figures but also a beautiful green space with scenic views of the city.

5.     Conservatory Garden: Nestled in Central Park, the Conservatory Garden is a meticulously landscaped area with fountains, sculptures, and vibrant flower displays. It's a tranquil retreat within the bustling park.

6.     The Morgan Library & Museum: This lesser-known museum houses a vast collection of rare books, manuscripts, and artworks. The architecture and atmosphere create a refined and intimate setting.

7.     The High Line at the Rail Yards: While the High Line itself is a popular attraction, the northernmost section around the rail yards offers a quieter and less crowded experience.

8.     The Hispanic Society of America: Located in Washington Heights, this museum features an extensive collection of Spanish, Portuguese, and Latin American art and artifacts. It's often overlooked but worth a visit.

Remember to check the opening hours and any specific requirements for these places before planning your visit. Enjoy exploring these hidden gems in New York!