London

Absolutely, I'd be happy to help you plan an exciting 15-day itinerary in London without including museums or summer school activities. Let's make the most of your time in this vibrant city!

Day 1: Arrival & Explore

• Arrive in London and check into your accommodation
• Take a leisurely stroll along the River Thames, starting at Westminster Bridge and heading towards Tower Bridge
• Enjoy a traditional English meal at a cozy pub

Day 2: Historic London

• Visit the iconic Tower of London and learn about its fascinating history
• Explore the historic Borough Market for some delicious food and unique finds
• Take a relaxing walk along the South Bank and enjoy the views of the city

Day 3: Royal London

• Visit Buckingham Palace and witness the Changing of the Guard ceremony
• Explore the beautiful St. James's Park and enjoy a picnic lunch
• Take a guided tour of Westminster Abbey to learn about its royal connections

Day 4: Greenwich Day Trip

• Take a boat ride along the Thames to Greenwich
• Visit the Royal Observatory and stand on the Prime Meridian
• Explore the vibrant Greenwich Market and enjoy street food

Day 5: Shopping & Entertainment

• Spend the day shopping on Oxford Street and Regent Street
• Catch a West End show in the evening at one of London's famous theaters

Day 6: Parks & Gardens

• Explore Hyde Park and rent a paddleboat on the Serpentine
• Visit the beautiful Kew Gardens and enjoy a peaceful afternoon surrounded by nature

Day 7: Foodie Day

• Take a food tour of London's diverse culinary scene
• Visit Borough Market, Brick Lane, and Covent Garden for delicious street food and artisanal treats

Day 8: Day Trip to Windsor

• Take a train to Windsor and visit Windsor Castle
• Explore the charming town of Windsor and enjoy a traditional English afternoon tea

Day 9: Explore Notting Hill

• Wander through the colorful streets of Notting Hill
• Visit Portobello Road Market and browse through antiques and vintage finds
• Enjoy a leisurely brunch at a trendy cafe

Day 10: Thames River Cruise

• Take a relaxing cruise along the River Thames and enjoy the views of London's landmarks from the water
• Visit the Tate Modern and enjoy modern art exhibitions

Day 11: Explore East London

• Visit the vibrant neighborhoods of Shoreditch and Brick Lane
• Explore street art and trendy boutiques
• Enjoy a curry on Brick Lane, known for its delicious Indian cuisine

Day 12: Greenwich Park & Cutty Sark

• Spend the day exploring Greenwich Park and enjoying the views of London from the top of the hill
• Visit the Cutty Sark, a historic clipper ship

Day 13: Harry Potter Day

• Visit Platform 9 3/4 at King's Cross Station
• Take a Harry Potter walking tour of London's filming locations
• Enjoy a magical themed dinner at a Harry Potter-inspired restaurant

Day 14: Relaxation Day

• Treat yourself to a spa day or relax in one of London's beautiful parks
• Enjoy a leisurely afternoon tea at a luxury hotel

Day 15: Departure

• Take a final stroll through London's streets and soak in the atmosphere
• Enjoy a farewell meal at a cozy restaurant before heading to the airport

I hope this itinerary gives you a good mix of sightseeing, relaxation, and culinary experiences during your 15 days in London. Let me know if you need any more suggestions or modifications!