Paris

Here's an ideal itinerary for 4 days in Paris:

Day 1:

Start your day with a visit to the iconic Eiffel Tower. You can either climb up to the top or take the elevator for a stunning view of the city. After that, head to the Champs-Élysées, one of the most famous avenues in the world, and stroll down the street while enjoying the beautiful architecture and high-end shops. In the afternoon, visit the Louvre Museum, one of the largest and most famous museums in the world, and admire the art and artifacts on display. End your day with a relaxing boat ride on the Seine River, where you can see the city from a different perspective.

Day 2:

Start your day with a visit to the Notre-Dame Cathedral, one of the most famous landmarks in Paris. After that, head to the Sainte-Chapelle, a stunning Gothic chapel with beautiful stained glass windows. In the afternoon, visit the Musée d'Orsay, which houses an impressive collection of Impressionist and Post-Impressionist art. End your day with a visit to the Montmartre neighborhood, where you can see the famous Moulin Rouge and enjoy the bohemian atmosphere.

Day 3:

Start your day with a visit to the Palace of Versailles, a stunning palace that was once the home of French royalty. After that, head back to Paris and visit the Luxembourg Gardens, a beautiful park with fountains, statues, and plenty of green space. In the afternoon, visit the Centre Pompidou, a modern art museum with a unique architectural design. End your day with a visit to the Marais neighborhood, where you can explore the narrow streets and enjoy the trendy shops and cafes.

Day 4:

Start your day with a visit to the Sacré-Cœur Basilica, a stunning church located on top of a hill in Montmartre. After that, head to the Catacombs of Paris, an underground ossuary that contains the remains of over six million people. In the afternoon, visit the Musée Rodin, which houses an impressive collection of sculptures by the famous artist. End your day with a visit to the Latin Quarter, a lively neighborhood with plenty of restaurants, bars, and shops.

Of course, this itinerary is just a suggestion, and you can always customize it to fit your interests and preferences. Paris is a beautiful city with plenty to see and do, so make sure to take your time and enjoy everything it has to offer!