New York City is a vibrant and diverse metropolis with a plethora of attractions to explore. Here are some top things you should consider seeing when visiting:

1. Statue of Liberty: An iconic symbol of freedom and democracy, you can take a ferry to Liberty Island and visit the statue up close.

2. Times Square: Known as "The Crossroads of the World," Times Square is famous for its bright lights, giant billboards, and bustling atmosphere.

3. Central Park: This massive urban park offers a peaceful oasis in the midst of the city's hustle and bustle. You can enjoy walking, picnicking, biking, and even boating here.

4. Empire State Building: Visit the observation deck of this iconic skyscraper for breathtaking views of the city's skyline.

5. Broadway: Catch a world-class theater performance in the Theater District, home to numerous famous shows and musicals.

6. Museum Mile: Explore the world-renowned museums along Fifth Avenue, including the Metropolitan Museum of Art (the Met), the Guggenheim Museum, and the Museum of the City of New York.

7. 9/11 Memorial and Museum: Pay tribute to the victims of the September 11, 2001 terrorist attacks at the memorial and learn about the events at the museum.

8. Brooklyn Bridge: Walk or bike across this iconic suspension bridge for stunning views of the Manhattan skyline and the East River.

9. High Line: This elevated park was built on a former railway track and offers a unique perspective of the city, with beautiful gardens, art installations, and urban design.

10. Chinatown and Little Italy: Immerse yourself in the cultural diversity of NYC by exploring these neighborhoods, known for their authentic cuisine, markets, and atmosphere.

11. Museum of Modern Art (MoMA): Experience an incredible collection of modern and contemporary art from renowned artists.

12. The Metropolitan Opera: If you're a fan of opera, attending a performance at the Met can be a truly unforgettable experience.

13. Coney Island: Enjoy the beach, amusement park rides, and the iconic boardwalk, offering a classic slice of Americana.

14. Rockefeller Center: Especially beautiful during the holiday season, you can ice skate, visit the Top of the Rock observation deck, or see the famous Christmas tree.

15. The Bronx Zoo: One of the largest metropolitan zoos in the world, offering a wide variety of animals and exhibits.

16. Grand Central Terminal: An architectural marvel, this historic train station features a stunning main concourse and intricate details.

17. St. Patrick's Cathedral: This Gothic Revival masterpiece is one of the most impressive religious landmarks in the city.

18. New York Public Library: Admire the grand architecture and explore the vast collection of books and exhibits.

19. One World Trade Center: Also known as the Freedom Tower, this modern skyscraper offers an observation deck and a moving tribute to 9/11.

20. Fifth Avenue Shopping: Shop in some of the world's most famous stores and boutiques along this iconic avenue.

Remember that NYC is a dynamic city with ever-changing events and attractions, so be sure to check for the latest information before your visit.