聖胡安國家歷史遺址(La Fortaleza and San Juan National Historic Site)位於中美群島的邊緣,建於1511年,是保護西班牙殖民地的軍事基地,在戰略上擁有十分重要的意義。古堡赫聖胡安歷史遺址是融合歐洲軍事建築風格,並結合美國大陸港口實際情況而建造的典型軍事建築群。
It's really nice here. There are two big castles. Bell-shaped attic is the feature here. Also, I heard there are many cats. Some streets are paved with blue stones. They are very beautiful. Here you can take a free bus tour. In urban areas, you can take 53, 21 and other buses, 75 cents per person.