Home of the Arecibo [ahr-uh-SEE-boh] Observatory, this island is also home to the coqui [ko-KEE] frog, which can be found in its El Yunque [yun-KAY] rainforest.
A message sent in 1974 from this island included depictions of numbers, DNA, a human, and the solar system. The deepest point in the Atlantic Ocean is located in a trench named for this island. Home of the Arecibo [ahr-uh-SEE-boh] Observatory, this island is also home to the coqui [ko-KEE] frog, which can be found in its El Yunque [yun-KAY] rainforest. San Cristobal and San Felipe del Morro provide protection to this island's capital. Its city of Mayaguez [mah-yah-GWES] is located on the Mona Passage, which separates Hispaniola from this island. For 10 points, name this Caribbean island that is located west of the Virgin Islands, and whose capital is San Juan.
A message sent in 1974 from this island included depictions of numbers, DNA, a human, and the solar system.
Puerto Rico