London

Here's an ideal itinerary for 3 days in London with a focus on historical sites and attractions:

Day 1:

• Start your day with a visit to the Tower of London, a historic castle that has served as a royal palace, prison, and armory over the centuries. You can take a guided tour to learn about the castle's history and see the Crown Jewels.
• After the Tower of London, head to the nearby Tower Bridge and walk across it for stunning views of the River Thames and the city skyline.
• Next, visit St. Paul's Cathedral, one of London's most iconic landmarks. You can climb to the top of the dome for panoramic views of the city.
• End your day with a visit to the British Museum, which houses an incredible collection of artifacts from around the world, including the Rosetta Stone and the Elgin Marbles.

Day 2:

• Start your day with a visit to Westminster Abbey, a historic church that has been the site of coronations, royal weddings, and funerals for centuries. You can take a guided tour to learn about the abbey's history and see the tombs of famous figures like Isaac Newton and Charles Darwin.
• After Westminster Abbey, head to the Houses of Parliament and take a guided tour of the historic building. You can see the House of Commons, the House of Lords, and the famous Big Ben clock tower.
• Next, visit the Churchill War Rooms, an underground bunker that served as the headquarters for Winston Churchill and his government during World War II. You can see the rooms where Churchill and his staff worked and learn about the war's impact on London.
• End your day with a visit to the National Gallery, which houses an incredible collection of paintings from the 13th to the 19th centuries, including works by Leonardo da Vinci, Vincent van Gogh, and Rembrandt.

Day 3:

• Start your day with a visit to the British Library, which houses an incredible collection of books, manuscripts, and other historical documents. You can see original copies of the Magna Carta, Shakespeare's First Folio, and the Gutenberg Bible.
• After the British Library, head to the Tate Modern, a modern art museum housed in a former power station. You can see works by artists like Pablo Picasso, Salvador Dali, and Andy Warhol.
• Next, visit the Imperial War Museum, which tells the story of Britain's involvement in wars from World War I to the present day. You can see exhibits on everything from trench warfare to the Cold War.
• End your day with a visit to the Tower Bridge Exhibition, where you can learn about the history of the bridge and see stunning views of the city from the high-level walkways.

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