As part of Archaeology Month, the Diefenbunker is offering weekly behind-the-scenes tours of several of the National Historic Site’s industrial features, both above ground and buried (including the Machine Room). For safety reasons, these tours are limited to visitors aged 15 and older. Flat close toed footwear is recommended. The tours will enter areas that are not wheelchair accessible and may present challenges to people with mobility issues. Maximum 12 people. The tours run at 10am on August 6, 13, 20, 27.  Please call 613-839-0007 to reserve your spot in advance. diefenbunker.ca