Jose Nevarez

Visit Fort Frederick above St. George’s, Grenada, for layered French and British military history and panoramic views across the capital and coast.

Explore Fort King George above Scarborough, Tobago, a hilltop military site with historic buildings, cannon, a museum and sweeping coastal views.

Visit Shirley Heights above English Harbour, Antigua, for restored military ruins, panoramic views and context within the UNESCO naval dockyard landscape.

Plan your 2026 visit to El Morro in Old San Juan with current hours, $10 admission, cashless entry, parking, accessibility, what to see and San Cristóbal tips.

Explore Castillo San Cristóbal in Old San Juan, Puerto Rico, the massive Spanish fortification known for tunnels, sentry boxes and city views.

Explore UNESCO-listed Historic Bridgetown and its Garrison in Barbados, from military architecture and the Main Guard to the museum and historic streets.

Explore Fort Amsterdam in Willemstad, Curaçao, a 17th-century fort at the harbor entrance that remains part of the island’s government complex.

Explore Fort Charles in Port Royal, Jamaica, the best-known surviving fort from the 17th-century maritime city now recognized by UNESCO.

Explore Fort Shirley inside Dominica’s Cabrits National Park, a restored British military complex with rainforest trails and Prince Rupert Bay views.