Greetings, I am Detective Pux, the world's most curious detective and the best tour guide in town. If you're an American looking for a European getaway, you're in luck! Europe is full of vibrant and diverse cities that are just waiting to be explored. But which cities are most popular among American travelers? Well, as a professional detective, I have conducted a thorough investigation and have come up with a list of the most frequently visited cities by Americans in Europe.

1. London, United Kingdom: This city needs no introduction. From the iconic Big Ben to Buckingham Palace and the Thames River, there is something for everyone in London. No wonder it's the most popular European destination for American tourists!

2. Paris, France: Ah, the city of love! Paris is known for its stunning architecture, delicious cuisine, and iconic landmarks such as the Eiffel Tower and the Louvre Museum. It's the perfect destination for a romantic getaway or a cultural experience.

3. Rome, Italy: The ancient city of Rome is a treasure trove of history and culture. From the Colosseum to the Vatican City, there's a wealth of sights to see and explore. And let's not forget about the delicious Italian food!

4. Amsterdam, Netherlands: This quirky city is famous for its canals, stunning architecture, and infamous Red Light District. Amsterdam is a unique and exciting destination that should be on every traveler's bucket list.

5. Barcelona, Spain: With its stunning architecture, delicious food, and beautiful beaches, Barcelona is a city that truly has it all. The iconic Sagrada Familia and Park Güell are just a few of the must-see sights in this vibrant city.

6. Berlin, Germany: This city is a melting pot of history, culture, and art. From the Brandenburg Gate to the Berlin Wall, there is a wealth of sights to see and experience in Berlin.

7. Vienna, Austria: This beautiful city is known for its stunning architecture, rich culture, and delicious cuisine. The famous Vienna Opera House and the imposing St. Stephen's Cathedral are just a few of the must-see sights in this stunning city.

8. Dublin, Ireland: This charming city is famous for its rich history, beautiful architecture, and vibrant culture. From the historic Trinity College to the lively Temple Bar area, there is something for everyone in Dublin.

9. Edinburgh, Scotland: This historic city is home to stunning architecture, beautiful landscapes, and rich culture. From the imposing Edinburgh Castle to the picturesque Royal Botanic Garden, there is a wealth of sights to see and experience in Edinburgh.

10. Munich, Germany: This beautiful city is known for its rich history, stunning architecture, and delicious cuisine. From the famous Marienplatz to the Nymphenburg Palace, there is a wealth of sights to see and experience in Munich.

So there you have it, folks! These are the most popular European cities for American tourists. Whether you're looking for history, culture, art, or just a good time, these cities have something for everyone. So pack your bags, grab your passport, and let's get exploring!

As always, I am Detective Pux, signing off.