There is no limit to the time you can spend in the observatory, but please understand that there are others waiting to visit.
Fort Knox is open from May 1 through October 31 from 9AM to 6PM, and open until 7PM from July 1 through October 31. Park grounds are open year-round from 9AM to sunset.
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The Penobscot Narrows Bridge and Observatory is located in the heart of midcoast Maine. The bridge spans the Penobscot River, linking the town of Prospect with Verona, just south and a bit downriver from the town of Bucksport.
The Penobscot Narrows Bridge and Observatory is the crown jewel of coastal Maine, offering spectacular 360-degree views of the Penobscot River and Bay, the Maine countryside and the distant western mountains. Tourists and travel writers alike have been attracted to the unique character of this structure, its historical significance and the stunning vistas. Engineering and transportation geeks are fascinated by the award-winning and innovative design.
This bridge is located on Route 24 about 14 miles south of the junction of Route US 1 and 24.
As Maine's bridges become older and the state continues its effort to maintain a modern transportation system, a concerted effort is also made to preserve bridges of historical significance or unique design or construction.
The following bridges fall under this heading: