Home to El Yunque, the only tropical rainforest in the U.S., Puerto Rico has many breathtaking natural wonders. What many people may not know, however, is that Puerto Rico boasts the longest ...

Many of the best tours in Puerto Rico include strolls through the old town's cobblestone streets to view the historic, colorful architecture and experience Puerto Rico's vibrant culture.

These wonders range from iconic national parks ... (Getty Images)| Stretching along the western edge of San Juan, Puerto Rico's capital island city, this national historic site was built between ...