Old San Juan is a historical district in the northwestern peninsula of San Juan, the capital city of Puerto Rico. The neighborhood of Old San Juan is also a UNESCO World Heritage Site. Full of vibrant colors, Latin culture, and amazing cuisine, Old San Juan is a must-visit when on the island of Puerto Rico. While you’re there, don’t miss out on a walking tour of Old San Juan. During our visit to the Caribbean last month, Randy and I spent two days exploring the best of Old San Juan. I have compiled a list of all of the spots in San Juan that I feel are most worth your…