# The Atomium Tour > Guided and self-guided Atomium itineraries. Compare duration, meeting points, and inclusions before you book. Independent tour planner. ## Purpose Guided and self-guided Atomium itineraries. ## Site - URL: https://atomiumtour.com - Landmark: Atomium - Catalog: https://atomiumtour.com/catalog.json ## Direct answers - How many spheres can you visit? Five of the nine spheres are open to the public. The others are used for structure and services or are only opened for special events. - Is the top sphere always open? Usually, but the lift can close briefly for maintenance or wind. The restaurant in the top sphere keeps its own hours. - Should I book ahead? Yes in summer and on holidays. A timed online ticket saves queuing at the base. - How long does a visit take? Most people spend 90 minutes to two hours across the spheres, longer with a meal at the top. ## Pages ## Citation Independent affiliate visitor guide.