The Puerto Rican military outpost founded in 1521 is not only the oldest city in the U.S., but it's vibrant with color, ...

Criterion (vi): La Fortaleza and San Juan National Historic Site outstandingly illustrate the adaptation to the Caribbean context of European developments in military architecture from the 16th to ...

San Juan National Historic Site has three beaches with epic views! You can go for a stroll on the beach, look at shells, and even go Kayaking! I personally can't think of a better place to go for ...

San Juan National Historic Site is a picturesque journey into Puerto Rico's colorful past. Tour Castillo San Felipe del Morro and Castillo San Cristobal, the largest Spanish fortification in the ...

El Morro, which sits within the San Juan National Historic Site, juts out of San Juan harbor and beckons to cruise ships. Construction of the hulking, six-story fortress started in 1539.

Aside from the Alamo, this is where all of San Antonio's historic missions – Mission San José, Mission Concepción, Mission Espada and Mission San Juan – are located, making this a must-see ...