If you're curious about the mysteries of the cosmos, the CERN Science Gateway is a full place to explore the wonders of the universe. It's totally free to visit, getting access to their excellent interactive exhibits, science shows, and educational films.

Guided tours and workshops can only be booked on-site on the day of your visit - first come, first served. They book out quickly, so best to arrive early to increase your chances. Learn more.

Location: Espl. des Particules 1, 1217 Meyrin • tram 10 to Cern stop, about 23 min journey

Website: visit.cern

Entrance is free. Open 9:00 - 17:00. Closed Mondays.