World’s Largest Telescope: 

- Puerto Rico houses the world’s largest single-dish radio telescope in the world, measuring 1000 feet in diameter and spanning almost 20 acres.

- Named Arecibo radio telescope, this astronomical observatory was inaugurated in 1963.

- It is also the most sensitive radio telescope in the world and has the capability of accurately predicting, when and where an asteroid would hit the Earth!

- This enormous telescope was shown in movies; Golden Eye and Contact.

Bacardi Rum Factory: 

- Puerto Rico is the rum capital of the world!

-  Producing over 100,000 tons of rum every year, the Bacardi rum factory in San Juan, is the largest rum distillery in the world. 

-  The factory entertains tourists and takes them for a tour (with free drinks) around the factory, showing them rum making and aging process.

- The visitors also get a taste of the world-famous rum.

El Yunque: 

- Spanning over 28,000 acres, this place is home to 240 species of plants.

- The forest is actually known as ‘Yuquiyu’, which means ‘Forest of Clouds’.

-A few hours drive from San Juan, this lush, mountainous terrain is about as far removed from the city’s beaches & resorts as you can get!

Culebra Island: 

- Flamenco beach, which ranks number two amongst world’s exotic beaches is a must see.

- You can see some of the rare under water reefs by scuba diving at the beach.

Vieques Bioluminescent Bay: 

- Be sure to go on a moonless night.

- Once you dive in, you will see your body shimmering as well as your surroundings. 

- On the kayak, you will notice your oars will start glowing. 

San Juan Cathedral: 

- One of the second oldest churches in the Caribbean. 

- It holds the burial remains of Juan Ponce de Leon. 

- You can also find the relics of Carlos Manuel Rodriguez, the first Puerto Rican to be beatified. 

Parque de palomas: 

- Located at the southern end of Calle del Cristo and to the right of the Capilla del Cristo.

- Many families with children stop by to feed the pigeons who will literally eat out of the palm of your hand. 

Paseo de la Princesa: 

- A nice stroll where you will find artists exposing their work as well as the beautiful Fuente de las Raices (The fountain of roots) in the end. 

- During your stroll, you will have great views of the San Juan Bay along with one of the city’s fortifications.

NOTE: Many tourists decide to stay in the San Juan area and don’t get to fully take advantage of this beautiful island. Ask your trip advisor for package deals to go visit the mountain side of Puerto Rico, you will not be dissapointed. 

(Source: puertoricotalk)