Perhaps the most famous cathedral in the world, and an enduring symbol of Paris, Notre Dame Cathedral should definitely be on your must-see list. It dates from the 12th century and has appeared in many paintings, books and films throughout the years. You’ll get a great view of Paris from the top.
The cathedral is open 365 days a year, 7:45 am - 6:45 pm
Opening hours of the reception office, where you’ll find audioguides and general information, are: Monday-Friday: 9:30 am - 6 pm, Weekends: 9:00 am - 6 pm
In July and August, the office normally closes for lunch between 12:30 pm and 3:00 pm. Entry is free except for the tower (€8.50), crypt (€6) and treasury (€5). The Paris Pass is a good idea if you'd like to see all areas.
6 Parvis Notre-Dame - Pl. Jean-Paul II, 75004 Paris, France
If travelling by metro, get off at Cité (Line 4). RER (suburban rail service) Lines B and C will both take you to St-Michel Notre Dame. There’s also a car park close by in Place du Parvis. Alternatively, take advantage of Vélib', a cycle-hire scheme similar to London Boris Bikes, with several docking points nearby.