San Juan National Historic Site(San Juan NHS, SAJU)

San Juan National Historic Site (La Fortaleza and San Juan National Historic Site) located on the edge of the Sino-American Islands, built in 1511, is a military base to protect the Spanish colony, which is of great strategic significance. The historic site of the ancient castle of San Juan is a typical military complex built in combination with European military architecture and the actual situation of the continental port of the United States.

The historic site of San Juan, located on the northeast coast of Puerto Rico, was built in 1511 during the Spanish colonial rule, as a military fortification protecting the West Indies and the Spanish Empire, including fortifications, outlying positions, ammunition depots, city walls, moats, etc. The expansion and reinforcement of the following centuries served to prevent foreign aggression. In the 1898 American-Western War, the United States defeated Spain and since then Puerto Rico has belonged to the United States.

When it comes to revisiting the old place, San Juan is really revisiting the old place. I didn't feel any changes in this historic Caribbean city. Five years ago, I flicked a finger at the ancient city. The castle in the wind and the sea, the colorful old city, memory and time slowly crossed the bluestone slab of the old city with the footsteps

Puerto Rico National Historical Museum Site Castle, also known as the Morro Fortress (castle), was built in 1539, when pirates rampaged, the Spanish merchant fleet used it as a base, the fortress has experienced many wars, has experienced several restorations, and was selected for the World Heritage List in 1983. This is one of the must-visit attractions, belonging to the Spanish-style fortress of San Juan, built by the sea, the plot has a history of nearly 500 years or so, mainly used to resist the sea and ground attack, this is also the largest defense facility built by the Spaniards here. The castle successfully resisted the invasion of the English and Dutch, and the scenery was beautiful, overlooking the entire Old San Juan city and the coastline from high, and it was refreshing to see the blue sea level of the sky and earth, and it seemed to hear the rumbling of guns again, and the faint pirate fleet. In the castle, you can play for a day, or spend a day in a daze, blowing the sea breeze, this is the best place to take pictures, the years have left countless mottled marks on the city wall, rusting cannons, and the blue sea water wrapped in huge waves in the distance. It is easy to let people enter the space-time tunnel of Siyuxuan. See the world at the edge

San Juan's family history includes two ancient fortresses, $5 tickets are universal, and there is a free sightseeing car to take visitors from one ancient fortress to another. The fortress is very simple and majestic, the main color is black, and it is unique against the blue sea.

The old town of San Juan, the peninsula's coastal area is the fortress wall, the entire coastline is a military fortress defending the Caribbean, and is now an attraction, with $7 per ticket, free access to the sites within 24 hours.