London

Here's an ideal itinerary for 4 days in London, excluding museums:

Day 1:

Start your day with a visit to the iconic Tower Bridge. You can walk across the bridge and take in the stunning views of the River Thames. After that, head over to Borough Market, one of the oldest and largest food markets in London. Grab some delicious street food and enjoy the lively atmosphere. In the afternoon, take a stroll through the beautiful Hyde Park and visit the Kensington Palace Gardens. End your day by watching a play or musical at the West End theatre district.

Day 2:

Begin your day by visiting the famous St. Paul's Cathedral. Climb up to the top of the dome for breathtaking views of the city. Next, head over to the Covent Garden area for some shopping and entertainment. You can watch street performers, visit unique shops, and grab lunch at one of the many restaurants in the area. In the evening, catch a show at the Royal Opera House.

Day 3:

Start your day by visiting the iconic Big Ben and the Houses of Parliament. Take a guided tour to learn about the history and architecture of these historic buildings. After that, head over to the Camden Market, a vibrant and eclectic market with a variety of food, fashion, and art stalls. In the evening, take a ride on the London Eye and enjoy the panoramic views of the city.

Day 4:

Begin your day by visiting the famous Buckingham Palace and watch the Changing of the Guard ceremony. After that, head over to the nearby Churchill War Rooms, a museum dedicated to Winston Churchill and his role in World War II. In the afternoon, take a boat ride along the River Thames and enjoy the scenic views of the city from the water. End your day by visiting the iconic Piccadilly Circus and Leicester Square, known for their bright lights and bustling nightlife.

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