An artist’s underground sanctuary, 40 years in the making.

This limestone cave offers an incredible view of the Río Grande de Arecibo valley.

A place to pay homage to Taíno heritage.

This beach pool offers a spectacle of crashing waves, blue hues, and a historical lighthouse.

La Cara del Indio honors the Taíno chief who fought bravely against the Spanish invasion of Puerto Rico.

Archaeological sites and great food inside the island's largest mangrove forest.

This "sausage route" features gorgeous views and family-owned restaurants.

This beachside town is home to a diverse nature reserve, multiple cays, and one of the three bioluminescent bays in Puerto Rico.

A natural swimming pool in the middle of the Carite Forest.

The short hike is worth the stunning views and crystal blue waters of a secluded beach.

Everyone from Alan Ginsberg to The Rolling Stones has stopped by this classic dive bar.

Drift through underground caves on a tube.

This former railroad bridge was named after the great river that once flowed below it.

This community-driven organization uses education and eco-friendly technology to protect the environment.

This 20th-century mansion plays a key role in one of Puerto Rico's greatest novels.

The highest peak in Puerto Rico is home to a rare fern that can only be found on six trees at its summit.

Years of neglect and nature took a toll on this 19th-century lighthouse.

An enchanting natural wonder in Puerto Rico's Camuy River Park.

The bat-covered home of one of the world's most popular brands of rum is located on a tropical Art Deco campus.

This small primate research island is teeming with playing, fighting wild monkeys.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

The world's brightest bioluminescent bay.

Over 120,000 curious objects that have shaped our modern world.

This beautiful Miami garden was designed as a laboratory for tropical plants.