London

Here's an ideal itinerary for 3 days in London that is family-friendly and excludes religious places:

Day 1:

Start your day with a visit to the iconic Tower Bridge. You can take a tour of the bridge and learn about its history, or simply enjoy the stunning views of the River Thames from the walkways. Afterward, head over to the Tower of London, which is just a short walk away. This historic castle has been home to kings and queens for centuries and is now a museum where you can see the Crown Jewels and learn about the castle's fascinating past.

For lunch, head to Borough Market, one of London's oldest and most famous food markets. Here you'll find a wide variety of delicious foods from all over the world. After lunch, take a stroll along the South Bank of the Thames, where you can see some of London's most famous landmarks, including the London Eye and the Houses of Parliament.

In the evening, catch a show at the West End. There are plenty of family-friendly shows to choose from, including The Lion King, Matilda, and Aladdin.

Day 2:

Start your day with a visit to the British Museum. This world-famous museum has a vast collection of artifacts from all over the world, including the Rosetta Stone and the Elgin Marbles. Afterward, head over to Covent Garden, a bustling shopping and entertainment district. Here you'll find street performers, shops, and restaurants.

For lunch, head to Dishoom, a popular Indian restaurant that serves delicious food in a stylish setting. After lunch, take a stroll through Hyde Park, one of London's largest and most beautiful parks. Here you can rent a boat on the Serpentine Lake or simply relax and enjoy the scenery.

In the evening, head to Leicester Square, where you'll find plenty of family-friendly entertainment options, including cinemas, arcades, and restaurants.

Day 3:

Start your day with a visit to the Natural History Museum. This museum has a vast collection of specimens from all over the world, including dinosaurs, fossils, and animals. Afterward, head over to Harrods, one of London's most famous department stores. Here you'll find luxury goods, food halls, and plenty of photo opportunities.

For lunch, head to Camden Market, a vibrant and eclectic market that offers a wide variety of street food options. After lunch, take a stroll along the Regent's Canal, where you can see some of London's most beautiful canal boats and enjoy the peaceful scenery.

In the evening, head to the Westfield shopping center in Shepherd's Bush, where you'll find plenty of family-friendly entertainment options, including cinemas, bowling alleys, and restaurants.

I hope this itinerary helps you plan your trip to London!