New York

Here's an ideal itinerary for 3 days in New York City, with an additional day in Atlanta:

Day 1:

• Start your day with a visit to the iconic Statue of Liberty and Ellis Island. You can take a ferry from Battery Park to reach the islands.
• After that, head to the One World Trade Center and visit the 9/11 Memorial and Museum.
• In the afternoon, explore the trendy neighborhoods of SoHo and Greenwich Village. You can shop at the boutiques, grab a bite to eat at one of the many cafes or restaurants, and enjoy the street performers.
• End your day with a visit to the Empire State Building and enjoy the stunning views of the city from the observation deck.

Day 2:

• Start your day with a visit to Central Park. You can rent a bike or take a leisurely stroll through the park.
• After that, head to the Metropolitan Museum of Art and explore the vast collection of art and artifacts.
• In the afternoon, visit the Rockefeller Center and take a tour of the NBC Studios.
• End your day with a Broadway show or a visit to Times Square.

Day 3:

• Start your day with a visit to the High Line, a unique park built on an elevated railway track.
• After that, head to the Chelsea Market and grab some lunch at one of the many food vendors.
• In the afternoon, visit the Museum of Modern Art and explore the contemporary art collection.
• End your day with a visit to the Brooklyn Bridge and enjoy the stunning views of the city skyline.

Day 4 (in Atlanta):

• Start your day with a visit to the Martin Luther King Jr. National Historic Site and learn about the civil rights movement.
• After that, head to the Georgia Aquarium and explore the vast collection of marine life.
• In the afternoon, visit the World of Coca-Cola and learn about the history of the iconic beverage.
• End your day with a visit to the Atlanta Botanical Garden and enjoy the beautiful flora and fauna.

I hope this itinerary helps you plan your trip to New York City and Atlanta!