A PASS FOR FREE GATE ADMISSION AT FORT KNOX AND PENOBSCOT NARROWS OBSERVATORY (LIMIT – 2 ADULTS AND 3 CHILDREN) VISIT FORT KNOX MAINE DOT COM FOR MORE INFORMATION TICKETS GOOD THRU OCTOBER 31ST 2019 THE PENOBSCOT NARROWS OBSERVATORY IS THE TALLEST BRIDGE OBSERVATORY OPEN TO THE PUBLIC IN THE WORLD. VISITORS TO THE OBSERVATORY […]