Historic Fort Adams Guided Tours: Visit America’s most complex coastal fortification. Guided tours take you from the top of the Forts ramparts, for a spectacular view of Newport Harbor, to the depths of the underground listening tunnels. Tours Daily at 11am, 1pm & 3pm; December 19th -January 3rd(CLOSED ON CHRISTMAS) Tickets are limited and may be purchased in Fort Adams State Park Visitor Center. Tours and Tour Routes are weather dependent. Visit www.fortadams.org for more information.