A park where people have been going to feed friendly pigeons since the 18th century

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

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

Enjoy the waters of this half-moon-shaped natural pool surrounded by breathtaking scenery.

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.

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

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

This nearly abandoned "company town" is a ghost of Puerto Rico's once-lucrative sugar industry.

Drift through underground caves on a tube.

An unnatural lake in a naturally beautiful setting.

This small fort played a huge role defending Puerto Rico’s capital city.

The crumbling remnants of this 19th-century quarantine hospital hint at the touristy island's darker past.

The abandoned remains of this once-thriving hotel looms over the city, awaiting an uncertain future.

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

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.

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

On a small Puerto Rican island, banks of secret naval bunkers lie abandoned and filled with piles of office equipment.

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

The location of Puerto Rico's first water bottling plant, thanks to a collaboration between Mother Nature and technology.

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

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

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.