Step into a world of wonder at the Cité des sciences et de l'industrie (City of Science and Industry) in Paris, the biggest science museum in Europe. Biology enthusiast will love the permanent exhibition "Man & Genes", which not only discusses evolution and our biological history, but poses questions about biological ethics for the future. Your young ones will also be educated and entertained here with the ‘Light Games" exhibit, which uses easy-to-understand experiments to help them learn about light and sight. Avoid bringing bulky suitcases or bags as they are not permitted in the museum. Also, note that it is closed on Mondays.