Yes, Americans and all international visitors can go inside Big Ben (officially known as the Elizabeth Tower), but you must book a guided tour well in advance. Following the completion of a massive five-year restoration, the tower is fully open for public tours in 2026. These 90-minute tours involve climbing 334 narrow spiral steps to reach the belfry, where you can stand right next to the world-famous Great Bell as it strikes the hour. Tickets are priced at approximately £35 for adults and are released in blocks several months ahead; they often sell out within hours of release. It is a physically demanding tour, so visitors must be at least 11 years old and wear comfortable, flat-soled shoes—no sandals or flip-flops are allowed for safety reasons. While photography is not permitted inside the tower itself due to security and copyright rules, the experience of seeing the giant Victorian clock mechanism and looking out through the 23-foot glass clock faces is considered one of the most exclusive "bucket list" activities in London.