Castillo San Felipe del Morro: Designed in 1539 to protect Old San Juan from foreign invaders, "El Morro" sits atop a picturesque hill overlooking San Juan Bay and the Atlantic Ocean. The views don't get any better than this!
El Paseo de la Princesa: History buffs will love exploring Old San Juan's historic promenade, El Paseo de la Princesa, which was created in 1853.
Museo de San Juan: Dive deep into the city's evolution and culture with a visit to the Museo de San Juan, where you can expect lots of bold and colorful exhibits.
Casa Bacardi Tour: Cocktail enthusiasts will appreciate a tour of Casa Bacardi. Not only do you get a drink upon arrival (score!), but you also get to explore exactly where the large majority of Puerto Rico's rum is produced.