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

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

This rock in the middle of a river in Jayuya contains dozens of Pre-Columbian Taíno petroglyphs.

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

These red and black houses were awarded to the firefighters who saved their city from an enormous blaze.

This colorful gate stands as an entrance to the walled city of Old San Juan.

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

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

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

Drift through underground caves on a tube.

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

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

The ruins of the first Spanish settlement in Puerto Rico.

An unnatural lake in a naturally beautiful setting.

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

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

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

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

The world's brightest bioluminescent bay.