London

Here's an ideal itinerary for 3 days in London that meets all your requirements:

Day 1:

• Start your day with a visit to the British Museum, which houses one of the world's largest collections of Egyptian artifacts. You can spend a few hours exploring the exhibits and learning about ancient Egypt.
• After the museum, head to Covent Garden for lunch. This bustling area is filled with restaurants and cafes, and you can enjoy some delicious food while people-watching.
• In the afternoon, take a stroll along the South Bank of the River Thames. You'll pass by famous landmarks like the London Eye, the Tate Modern, and Shakespeare's Globe Theatre. Stop for a coffee or ice cream along the way and soak up the atmosphere.
• End your day with a visit to Platform 9 3/4 at King's Cross Station, where you can take a photo with the iconic Harry Potter trolley.

Day 2:

• Start your day with a visit to the Tower of London, where you can see the Crown Jewels and learn about the history of this fascinating building.
• After the Tower, take a short walk to the Tower Bridge and cross over to the other side of the river. From here, you can take a boat tour along the Thames and see the city from a different perspective.
• In the afternoon, head to Camden Market for lunch. This vibrant area is filled with street food vendors and unique shops.
• After lunch, make your way to the Warner Bros Studio Tour London - The Making of Harry Potter. Here, you can explore the sets, costumes, and props from the Harry Potter films.

Day 3:

• Start your day with a visit to St. Paul's Cathedral, one of London's most iconic buildings. You can climb to the top of the dome for stunning views of the city.
• After St. Paul's, head to the nearby Tate Modern for some contemporary art. The museum is housed in a former power station and has a unique industrial feel.
• In the afternoon, take a stroll through Hyde Park and visit Kensington Palace. This beautiful palace was once home to Princess Diana and now houses a museum dedicated to her life.
• End your day with a visit to Buckingham Palace, where you can watch the Changing of the Guard ceremony and see the home of the Queen of England.

I hope this itinerary helps you plan your trip to London! Let me know if you have any other questions or need further assistance.