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

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

This giant bronze image of Christopher Columbus embarked on a voyage of its own.

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

Invading U.S. troops were first seen from this now-abandoned tower, leading to the Spanish-American War.

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

An unnatural lake in a naturally beautiful setting.

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

The world's second largest single-dish radio telescope, once used to contact E.T.

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

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

Legend has it this historic port was a popular hideout and smuggling spot for pirates.

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

This former sugarcane transport tunnel is now a portal to a lovely beach.

This niche museum devoted to ancient religious artifacts is shaped like the very thing it displays.