United States

Here's an ideal itinerary for 3 days in the United States that's perfect for families:

Day 1:

• Start your day with a visit to the iconic Statue of Liberty in New York City. You can take a ferry ride to Liberty Island and explore the statue and the surrounding area.
• After that, head to Central Park for a picnic lunch and some outdoor fun. You can rent bikes or take a horse-drawn carriage ride through the park.
• In the afternoon, visit the American Museum of Natural History, which is located near Central Park. This museum is perfect for families, with exhibits on dinosaurs, animals, and space.

Day 2:

• Start your day with a visit to the Smithsonian National Air and Space Museum in Washington D.C. This museum has exhibits on the history of flight and space exploration, including the Wright Brothers' plane and the Apollo 11 command module.
• After that, head to the National Mall and visit the Lincoln Memorial and the Washington Monument. You can also visit the Smithsonian museums that are located on the Mall, such as the National Museum of American History and the National Museum of Natural History.
• In the evening, catch a Washington Nationals baseball game at Nationals Park. This is a great way to experience American culture and enjoy some classic ballpark food.

Day 3:

• Start your day with a visit to the Grand Canyon in Arizona. You can take a helicopter tour or hike along the rim of the canyon for some breathtaking views.
• After that, head to Las Vegas for some family-friendly fun. You can visit the Shark Reef Aquarium at Mandalay Bay or the Adventuredome at Circus Circus.
• In the evening, catch a show on the Las Vegas Strip. There are plenty of family-friendly shows to choose from, such as Cirque du Soleil or Blue Man Group.

I hope this itinerary helps you plan your trip to the United States! Let me know if you have any other questions or if there's anything else I can help you with.