The only tropical rainforest in the U.S. National Forest Service, El Yunque is one of the crown jewels of Puerto Rico and a nature lover’s paradise. This lush forest is a popular place to hike, with its numerous shaded trails that lead to cascading waterfalls and sparkling natural pools.

An ecological adventure park with unforgettable experiences, Toro Verde is home to a network of ziplines and suspension bridges overlooking the Central Mountains. For true adrenaline junkies, the park is home to one of the longest, highest and fastest ziplines in the world, called "The Monster."

La Parguera is one of only five bioluminescent bays in the world, three of which are located in Puerto Rico. At night, experience the glow-in-the-dark waters by swimming or paddling in a crystal-bottom kayak. By day, local tour companies provide water adventures ranging from boating to SCUBA diving to water cycling.

Tanamá River Adventures offers many ways to explore the beautiful Tanamá River, which rushes beneath the Central Mountains of Puerto Rico. Tube through caves, rappel ancient rock formations, hike through coffee and plantain fields, and swim in natural pools fed by waterfalls. During your adventure, you’ll learn about the rich history and culture of Puerto Rico.

For birding enthusiasts, Cabo Rojo National Wildlife Refuge is a must-visit park in Puerto Rico. To date, more than 145 bird species have been identified in the refuge. It's also a critical habitat for the endangered Yellow-Shouldered Blackbird.

Discover one of the most complex cave systems on the planet at Río Camuy Cave Park. Carved over thousands of years by the Río Camuy, the third-largest underground river in the world, the park features more than 220 limestone caves and caverns spanning more than 10 miles. Tours are available Wednesdays through Sundays. Reservations are not required.

Desecheo National Wildlife Refuge is an uninhabited marine reserve located off the west coast of Puerto Rico, accessible only by boat. Because of its superb reefs, underwater caves and diverse marine life, it's a top destination for snorkeling and diving.

Carabalí Rainforest Park offers a variety of exciting adventures, including ATV tours and go-karts. Visitors can also take a horseback ride from the park and along the beautiful beaches of Luquillo, known as la Capital del Sol (“the Sun’s Capital”).