The Eiffel Tower, despite your location reference to Neuilly-sur-Seine, is indeed situated in the heart of Paris, France, and is one of the world's most iconic landmarks. Easily accessible via public transportation, the nearest Metro station is Champ de Mars/Tour Eiffel. While it is possible to visit solo, booking a skip-the-line ticket or a guided tour can significantly enhance the experience by providing historical insights and saving time during peak tourist seasons, typically from April to October. Ticket prices vary, starting around €10 for access to the second floor and €25 for the summit, and visiting can take approximately 2 to 3 hours, longer if you plan to dine at its restaurants. The tower is open year-round, but visiting early morning or late evening can help avoid crowds and offer breathtaking views. Weather can influence your experience, especially during the windy winter months, so dressing appropriately is advised.