Royal Citadel
This huge citadel was built by Charles II in 1666 and still operates as a military center. Tours of the installation are conducted by Armada Tours and must be booked via Eventbrite ( www.eventbrite.co.uk) at least 24 hours ahead of time. Meet at the Commando Memorial on Lambhay Hill to the north of the Citadel at 2 pm; tours last about two hours. Note that children under seven are not allowed, photo ID is required, and photography is not permitted. There is no parking on-site and no toilet facilities.
