What is the full name of San Juan's famous fortress El Morro?
AnswerCastillo San Felipe del Morro
El Morro guards the entrance to San Juan Bay.
Places · Facts & stats
San Juan facts & stats
7 fact-checked facts about San Juan, Puerto Rico, its history and landmarks, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Which ocean lies along San Juan's northern coast?
AnswerAtlantic Ocean
San Juan faces the Atlantic to the north.
Going deeper
In what year was San Juan founded at its current site?
Answer1521
The settlement moved from Caparra to the islet of San Juan in 1521.
What currency is used in San Juan?
AnswerUS dollar
Puerto Rico is a US territory and uses the US dollar.
Which rainforest near San Juan is the only tropical rainforest in the US National Forest System?
AnswerEl Yunque
El Yunque National Forest is in northeastern Puerto Rico.
Expert level
What are the blue-tinted cobblestones of Old San Juan called?
AnswerAdoquines
The adoquines were cast from furnace slag and arrived as ship ballast.
Columbus originally gave the whole island what name?
AnswerSan Juan Bautista
The island and city names were later swapped.
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