Enjoy nice limestone formations in Puerto Rico.
The Arecibo Observatory appeared in a few movies, so it has its own connection to the stars, movie stars. 😉
I’m not the best person to talk about movies, but some of the movies where you can see the Arecibo Radio Telescope are e.g.,: Contact, GoldenEye (James Bond), or The X-Files.
Puerto Rico can be visited all year round.
Just keep in mind that the peak season is between December and Apri
Since Puerto Rico belongs to the USA, you need a visa or the same document as you need to enter the States.
Puerto Rico is a territory of the United States, so its locals are the US citizens.
Puerto Rico is officially called Commonwealth of Puerto Rico.