Europe is a beautiful continent with so much to see and do. Here's an ideal itinerary for 3 days in Europe:

Day 1:

Start your day by exploring the charming city of Paris, France. Begin with a visit to the iconic Eiffel Tower, where you can take in breathtaking views of the city from the top. After that, head over to the Louvre Museum, which houses some of the world's most famous art pieces, including the Mona Lisa. In the evening, take a stroll along the Seine River and enjoy the beautiful architecture of the city.

Day 2:

On your second day, travel to Rome, Italy. Start your day by visiting the Colosseum, one of the most famous landmarks in the world. After that, head over to the Vatican City to explore St. Peter's Basilica and the Sistine Chapel. In the evening, indulge in some delicious Italian cuisine at a local restaurant.

Day 3:

For your final day, travel to Barcelona, Spain. Begin your day by visiting the stunning Park Guell, designed by the famous architect Antoni Gaudi. After that, head over to the Gothic Quarter, where you can explore the narrow streets and admire the beautiful architecture. In the evening, relax on the beach and soak up the Mediterranean sun.

Of course, this itinerary is just a suggestion, and there are countless other amazing places to visit in Europe. But I hope this gives you a good starting point for planning your trip!