In Puerto Rico, children gather water each morning for drinking and cooking, often from sources that appear clean but are contaminated. A laboratory examination reveals that the seemingly clear water ...

Highlights of the tour include the largest stalagmite in Puerto Rico, glimpses of the underground river (and maybe some bats), and a 450-foot deep sinkhole that allows light from the surface to ...

San Juan, Puerto Rico — Authorities in Puerto Rico are searching for a tourist from Wisconsin they say got lost in the dense tropical rain forest of El Yunque in the U.S. territory's east.

Batey River Adventures has been operating near Utuado in Puerto Rico for 20 years. Jorge, the owner, takes travelers on tours in kayaks and inner tubes through a 1,000 foot long cave filled with bats.

to explore Puerto Rico's natural beauty. You might even have the opportunity to dismount and take a swim in the Mameyes River, which flows from the rainforest. Motorists regularly describe the ...