Fort Petrie Military Museum The Google rating is 4.5

On site of World War II fortification. 2-storey underground bunker with ammunition storage rooms and machine shops; Battery Observation Post with 3-level tower; breathtaking views of Sydney Harbour and Cape Breton Highlands. WWI & WWII artifacts; restored gun emplacements, with gun watch and artillery stores offering WWII displays. WWI gun emplacements still visible. Guided tours available.