London

Here's an ideal itinerary for 3 days in London for two adults:

Day 1:

• Start your day with a visit to the iconic Tower of London. This historic castle has served as a royal palace, prison, and even a zoo over the centuries. Be sure to see the Crown Jewels and take a guided tour with one of the Yeoman Warders.
• After the Tower, head over to the nearby Tower Bridge. You can walk across the bridge and take in the stunning views of the Thames River and the city skyline.
• For lunch, head to Borough Market, one of London's oldest and most famous food markets. You'll find a wide variety of delicious food options here, from fresh seafood to artisanal cheeses.
• In the afternoon, take a stroll through the South Bank area. You can visit the Tate Modern art museum, walk along the river, and see the famous London Eye ferris wheel.
• For dinner, head to one of the many great restaurants in the Covent Garden area. This lively neighborhood is known for its street performers, theaters, and great dining options.

Day 2:

• Start your day with a visit to the British Museum. This world-famous museum has an incredible collection of artifacts from around the world, including the Rosetta Stone and the Elgin Marbles.
• After the museum, head to nearby Oxford Street for some shopping. This famous shopping district has everything from high-end designer stores to affordable fashion chains.
• For lunch, head to Soho, a trendy neighborhood known for its great food and nightlife. You'll find a wide variety of international cuisine options here, from Thai to Italian to Mexican.
• In the afternoon, take a stroll through Hyde Park. This beautiful park is one of London's largest and has plenty of walking paths, gardens, and even a lake.
• For dinner, head to the West End for a show and dinner. This area is known for its theaters and great dining options.

Day 3:

• Start your day with a visit to St. Paul's Cathedral. This iconic cathedral has been a fixture of the London skyline for centuries and has a fascinating history.
• After St. Paul's, head to the nearby Tate Britain art museum. This museum has a great collection of British art from the 16th century to the present day.
• For lunch, head to the nearby Pimlico neighborhood. This quiet residential area has some great hidden gem restaurants and cafes.
• In the afternoon, take a boat tour along the Thames River. You'll get a unique perspective on the city and see some of London's most famous landmarks from the water.
• For dinner, head to the Shoreditch neighborhood. This trendy area is known for its street art, nightlife, and great dining options.